diff --git a/01_wait_forever/src/main.rs b/01_wait_forever/src/main.rs
index 10cf6bb4..8cd4b144 100644
--- a/01_wait_forever/src/main.rs
+++ b/01_wait_forever/src/main.rs
@@ -100,8 +100,10 @@
 //!
 //! # Boot flow
 //!
-//! 1. The kernel's entry point is the function `cpu::boot::arch_boot::_start()`.
+//! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
 //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.S`.
+//!
+//! [`cpu::boot::arch_boot::_start()`]: ../src/kernel/cpu/up/_arch/aarch64/cpu/boot.rs.html
 
 #![feature(asm)]
 #![feature(global_asm)]
diff --git a/02_runtime_init/README.md b/02_runtime_init/README.md
index 7948aae4..50cce879 100644
--- a/02_runtime_init/README.md
+++ b/02_runtime_init/README.md
@@ -199,15 +199,18 @@ diff -uNr 01_wait_forever/src/cpu.rs 02_runtime_init/src/cpu.rs
 diff -uNr 01_wait_forever/src/main.rs 02_runtime_init/src/main.rs
 --- 01_wait_forever/src/main.rs
 +++ 02_runtime_init/src/main.rs
-@@ -102,6 +102,7 @@
+@@ -102,8 +102,10 @@
  //!
- //! 1. The kernel's entry point is the function `cpu::boot::arch_boot::_start()`.
+ //! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
  //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.S`.
 +//! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
+ //!
+ //! [`cpu::boot::arch_boot::_start()`]: ../src/kernel/cpu/up/_arch/aarch64/cpu/boot.rs.html
++//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
  #![feature(asm)]
  #![feature(global_asm)]
-@@ -110,6 +111,15 @@
+@@ -112,6 +114,15 @@
 
  mod bsp;
  mod cpu;
diff --git a/02_runtime_init/src/main.rs b/02_runtime_init/src/main.rs
index ba5a877c..fd9c36bc 100644
--- a/02_runtime_init/src/main.rs
+++ b/02_runtime_init/src/main.rs
@@ -100,9 +100,12 @@
 //!
 //! # Boot flow
 //!
-//! 1. The kernel's entry point is the function `cpu::boot::arch_boot::_start()`.
+//! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
 //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.S`.
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
+//!
+//! [`cpu::boot::arch_boot::_start()`]: ../src/kernel/cpu/up/_arch/aarch64/cpu/boot.rs.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(asm)]
 #![feature(global_asm)]
diff --git a/03_hacky_hello_world/README.md b/03_hacky_hello_world/README.md
index 11c804bf..c8dc66cc 100644
--- a/03_hacky_hello_world/README.md
+++ b/03_hacky_hello_world/README.md
@@ -139,17 +139,17 @@ diff -uNr 02_runtime_init/src/console.rs 03_hacky_hello_world/src/console.rs
 diff -uNr 02_runtime_init/src/main.rs 03_hacky_hello_world/src/main.rs
 --- 02_runtime_init/src/main.rs
 +++ 03_hacky_hello_world/src/main.rs
-@@ -100,19 +100,25 @@
- //!
+@@ -101,21 +101,25 @@
  //! # Boot flow
  //!
--//! 1. The kernel's entry point is the function `cpu::boot::arch_boot::_start()`.
+ //! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
 -//!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.S`.
-+//! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
 +//!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.rs`.
  //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
-+//!
+ //!
+-//! [`cpu::boot::arch_boot::_start()`]: ../src/kernel/cpu/up/_arch/aarch64/cpu/boot.rs.html
 +//! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
  #![feature(asm)]
 +#![feature(format_args_nl)]
@@ -167,7 +167,7 @@ diff -uNr 02_runtime_init/src/main.rs 03_hacky_hello_world/src/main.rs
  mod runtime_init;
 
  /// Early init code.
-@@ -121,5 +127,7 @@
+@@ -124,5 +128,7 @@
  ///
  /// - Only a single core must be active and running this function.
  unsafe fn kernel_init() -> ! {
@@ -226,7 +226,7 @@ diff -uNr 02_runtime_init/src/print.rs 03_hacky_hello_world/src/print.rs
 +
 +/// Prints without a newline.
 +///
-+/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
++/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 +#[macro_export]
 +macro_rules! print {
 +    ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -234,7 +234,7 @@ diff -uNr 02_runtime_init/src/print.rs 03_hacky_hello_world/src/print.rs
 +
 +/// Prints with a newline.
 +///
-+/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
++/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 +#[macro_export]
 +macro_rules! println {
 +    () => ($crate::print!("\n"));
diff --git a/03_hacky_hello_world/src/main.rs b/03_hacky_hello_world/src/main.rs
index 378e0baf..0815d5e2 100644
--- a/03_hacky_hello_world/src/main.rs
+++ b/03_hacky_hello_world/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(asm)]
 #![feature(format_args_nl)]
diff --git a/03_hacky_hello_world/src/print.rs b/03_hacky_hello_world/src/print.rs
index fa6451c7..8ea5db24 100644
--- a/03_hacky_hello_world/src/print.rs
+++ b/03_hacky_hello_world/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/04_zero_overhead_abstraction/README.md b/04_zero_overhead_abstraction/README.md
index 6c9ad70c..d20758d1 100644
--- a/04_zero_overhead_abstraction/README.md
+++ b/04_zero_overhead_abstraction/README.md
@@ -242,9 +242,9 @@ diff -uNr 03_hacky_hello_world/src/cpu.rs 04_zero_overhead_abstraction/src/cpu.r
 diff -uNr 03_hacky_hello_world/src/main.rs 04_zero_overhead_abstraction/src/main.rs
 --- 03_hacky_hello_world/src/main.rs
 +++ 04_zero_overhead_abstraction/src/main.rs
-@@ -106,9 +106,7 @@
- //!
+@@ -107,9 +107,7 @@
  //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 -#![feature(asm)]
  #![feature(format_args_nl)]
@@ -252,7 +252,7 @@ diff -uNr 03_hacky_hello_world/src/main.rs 04_zero_overhead_abstraction/src/main
  #![feature(panic_info_message)]
  #![no_main]
  #![no_std]
-@@ -127,7 +125,8 @@
+@@ -128,7 +126,8 @@
  ///
  /// - Only a single core must be active and running this function.
  unsafe fn kernel_init() -> ! {
diff --git a/04_zero_overhead_abstraction/src/main.rs b/04_zero_overhead_abstraction/src/main.rs
index 7de836fe..9dfc7d00 100644
--- a/04_zero_overhead_abstraction/src/main.rs
+++ b/04_zero_overhead_abstraction/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
diff --git a/04_zero_overhead_abstraction/src/print.rs b/04_zero_overhead_abstraction/src/print.rs
index fa6451c7..8ea5db24 100644
--- a/04_zero_overhead_abstraction/src/print.rs
+++ b/04_zero_overhead_abstraction/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/05_safe_globals/README.md b/05_safe_globals/README.md
index 3db54d6b..ea61489e 100644
--- a/05_safe_globals/README.md
+++ b/05_safe_globals/README.md
@@ -211,7 +211,7 @@ diff -uNr 04_zero_overhead_abstraction/src/console.rs 05_safe_globals/src/consol
 diff -uNr 04_zero_overhead_abstraction/src/main.rs 05_safe_globals/src/main.rs
 --- 04_zero_overhead_abstraction/src/main.rs
 +++ 05_safe_globals/src/main.rs
-@@ -108,6 +108,7 @@
+@@ -109,6 +109,7 @@
 
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
@@ -219,7 +219,7 @@ diff -uNr 04_zero_overhead_abstraction/src/main.rs 05_safe_globals/src/main.rs
  #![no_main]
  #![no_std]
 
-@@ -118,6 +119,7 @@
+@@ -119,6 +120,7 @@
  mod panic_wait;
  mod print;
  mod runtime_init;
@@ -227,7 +227,7 @@ diff -uNr 04_zero_overhead_abstraction/src/main.rs 05_safe_globals/src/main.rs
 
  /// Early init code.
  ///
-@@ -125,8 +127,15 @@
+@@ -126,8 +128,15 @@
  ///
  /// - Only a single core must be active and running this function.
  unsafe fn kernel_init() -> ! {
@@ -248,17 +248,18 @@ diff -uNr 04_zero_overhead_abstraction/src/main.rs 05_safe_globals/src/main.rs
 diff -uNr 04_zero_overhead_abstraction/src/synchronization.rs 05_safe_globals/src/synchronization.rs
 --- 04_zero_overhead_abstraction/src/synchronization.rs
 +++ 05_safe_globals/src/synchronization.rs
-@@ -0,0 +1,76 @@
+@@ -0,0 +1,77 @@
 +// SPDX-License-Identifier: MIT OR Apache-2.0
 +//
 +// Copyright (c) 2020-2021 Andre Richter <andre.o.richter@gmail.com>
 +
 +//! Synchronization primitives.
 +//!
-+//! Suggested literature:
-+//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-+//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-+//!   - https://doc.rust-lang.org/std/cell/index.html
++//! # Resources
++//!
++//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
++//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
++//!   - <https://doc.rust-lang.org/std/cell/index.html>
 +
 +use core::cell::UnsafeCell;
 +
diff --git a/05_safe_globals/src/main.rs b/05_safe_globals/src/main.rs
index bb6abcb8..83955815 100644
--- a/05_safe_globals/src/main.rs
+++ b/05_safe_globals/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
diff --git a/05_safe_globals/src/print.rs b/05_safe_globals/src/print.rs
index fa6451c7..8ea5db24 100644
--- a/05_safe_globals/src/print.rs
+++ b/05_safe_globals/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/05_safe_globals/src/synchronization.rs b/05_safe_globals/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/05_safe_globals/src/synchronization.rs
+++ b/05_safe_globals/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/06_drivers_gpio_uart/README.md b/06_drivers_gpio_uart/README.md
index 9b526c33..9bb29be5 100644
--- a/06_drivers_gpio_uart/README.md
+++ b/06_drivers_gpio_uart/README.md
@@ -445,8 +445,8 @@ diff -uNr 05_safe_globals/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs 06_dri
 +//!
 +//! # Resources
 +//!
-+//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-+//! - https://developer.arm.com/documentation/ddi0183/latest
++//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
++//! - <https://developer.arm.com/documentation/ddi0183/latest>
 +
 +use crate::{
 +    bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
@@ -1302,15 +1302,15 @@ diff -uNr 05_safe_globals/src/driver.rs 06_drivers_gpio_uart/src/driver.rs
 diff -uNr 05_safe_globals/src/main.rs 06_drivers_gpio_uart/src/main.rs
 --- 05_safe_globals/src/main.rs
 +++ 06_drivers_gpio_uart/src/main.rs
-@@ -106,6 +106,7 @@
- //!
+@@ -107,6 +107,7 @@
  //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 +#![feature(const_fn_fn_ptr_basics)]
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -115,6 +116,7 @@
+@@ -116,6 +117,7 @@
  mod bsp;
  mod console;
  mod cpu;
@@ -1318,7 +1318,7 @@ diff -uNr 05_safe_globals/src/main.rs 06_drivers_gpio_uart/src/main.rs
  mod memory;
  mod panic_wait;
  mod print;
-@@ -126,16 +128,49 @@
+@@ -127,16 +129,49 @@
  /// # Safety
  ///
  /// - Only a single core must be active and running this function.
@@ -1398,7 +1398,7 @@ diff -uNr 05_safe_globals/src/panic_wait.rs 06_drivers_gpio_uart/src/panic_wait.
 +
 +/// Prints with a newline - only use from the panic handler.
 +///
-+/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
++/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 +#[macro_export]
 +macro_rules! panic_println {
 +    ($($arg:tt)*) => ({
diff --git a/06_drivers_gpio_uart/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/06_drivers_gpio_uart/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/06_drivers_gpio_uart/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/06_drivers_gpio_uart/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/06_drivers_gpio_uart/src/main.rs b/06_drivers_gpio_uart/src/main.rs
index a16c0de7..46a89031 100644
--- a/06_drivers_gpio_uart/src/main.rs
+++ b/06_drivers_gpio_uart/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
diff --git a/06_drivers_gpio_uart/src/panic_wait.rs b/06_drivers_gpio_uart/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/06_drivers_gpio_uart/src/panic_wait.rs
+++ b/06_drivers_gpio_uart/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/06_drivers_gpio_uart/src/print.rs b/06_drivers_gpio_uart/src/print.rs
index fa6451c7..8ea5db24 100644
--- a/06_drivers_gpio_uart/src/print.rs
+++ b/06_drivers_gpio_uart/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/06_drivers_gpio_uart/src/synchronization.rs b/06_drivers_gpio_uart/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/06_drivers_gpio_uart/src/synchronization.rs
+++ b/06_drivers_gpio_uart/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/07_uart_chainloader/README.md b/07_uart_chainloader/README.md
index 1cca2b12..4cf6d918 100644
--- a/07_uart_chainloader/README.md
+++ b/07_uart_chainloader/README.md
@@ -406,7 +406,7 @@ diff -uNr 06_drivers_gpio_uart/src/cpu.rs 07_uart_chainloader/src/cpu.rs
 diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
 --- 06_drivers_gpio_uart/src/main.rs
 +++ 07_uart_chainloader/src/main.rs
-@@ -102,11 +102,14 @@
+@@ -102,12 +102,16 @@
  //!
  //! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
  //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.rs`.
@@ -415,6 +415,8 @@ diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
 +//! 3. Finally, [`runtime_init::runtime_init()`] is called.
  //!
  //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
++//! [`relocate::relocate_self()`]: relocate/fn.relocate_self.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 +#![feature(asm)]
  #![feature(const_fn_fn_ptr_basics)]
@@ -422,7 +424,7 @@ diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -120,6 +123,7 @@
+@@ -121,6 +125,7 @@
  mod memory;
  mod panic_wait;
  mod print;
@@ -430,7 +432,7 @@ diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
  mod runtime_init;
  mod synchronization;
 
-@@ -148,29 +152,49 @@
+@@ -149,29 +154,49 @@
  fn kernel_main() -> ! {
      use bsp::console::console;
      use console::interface::All;
diff --git a/07_uart_chainloader/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/07_uart_chainloader/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index f21395d3..17ca3543 100644
--- a/07_uart_chainloader/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/07_uart_chainloader/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/07_uart_chainloader/src/main.rs b/07_uart_chainloader/src/main.rs
index fdb787b5..82a6ec58 100644
--- a/07_uart_chainloader/src/main.rs
+++ b/07_uart_chainloader/src/main.rs
@@ -106,6 +106,8 @@
 //! 3. Finally, [`runtime_init::runtime_init()`] is called.
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`relocate::relocate_self()`]: relocate/fn.relocate_self.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(asm)]
 #![feature(const_fn_fn_ptr_basics)]
diff --git a/07_uart_chainloader/src/panic_wait.rs b/07_uart_chainloader/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/07_uart_chainloader/src/panic_wait.rs
+++ b/07_uart_chainloader/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/07_uart_chainloader/src/print.rs b/07_uart_chainloader/src/print.rs
index fa6451c7..8ea5db24 100644
--- a/07_uart_chainloader/src/print.rs
+++ b/07_uart_chainloader/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/07_uart_chainloader/src/synchronization.rs b/07_uart_chainloader/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/07_uart_chainloader/src/synchronization.rs
+++ b/07_uart_chainloader/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/08_timestamps/README.md b/08_timestamps/README.md
index 0f8ec5d2..af4b8055 100644
--- a/08_timestamps/README.md
+++ b/08_timestamps/README.md
@@ -499,7 +499,7 @@ diff -uNr 07_uart_chainloader/src/cpu.rs 08_timestamps/src/cpu.rs
 diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
 --- 07_uart_chainloader/src/main.rs
 +++ 08_timestamps/src/main.rs
-@@ -102,14 +102,11 @@
+@@ -102,16 +102,12 @@
  //!
  //! 1. The kernel's entry point is the function [`cpu::boot::arch_boot::_start()`].
  //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.rs`.
@@ -508,6 +508,8 @@ diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
 +//! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
  //!
  //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+-//! [`relocate::relocate_self()`]: relocate/fn.relocate_self.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 -#![feature(asm)]
  #![feature(const_fn_fn_ptr_basics)]
@@ -515,7 +517,7 @@ diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -123,9 +120,9 @@
+@@ -125,9 +121,9 @@
  mod memory;
  mod panic_wait;
  mod print;
@@ -526,7 +528,7 @@ diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
 
  /// Early init code.
  ///
-@@ -150,51 +147,31 @@
+@@ -152,51 +148,31 @@
 
  /// The main function running after the early init.
  fn kernel_main() -> ! {
diff --git a/08_timestamps/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/08_timestamps/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/08_timestamps/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/08_timestamps/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/08_timestamps/src/main.rs b/08_timestamps/src/main.rs
index 5a7b9f55..efcd9880 100644
--- a/08_timestamps/src/main.rs
+++ b/08_timestamps/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
diff --git a/08_timestamps/src/panic_wait.rs b/08_timestamps/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/08_timestamps/src/panic_wait.rs
+++ b/08_timestamps/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/08_timestamps/src/print.rs b/08_timestamps/src/print.rs
index 5a563811..89fa6694 100644
--- a/08_timestamps/src/print.rs
+++ b/08_timestamps/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/08_timestamps/src/synchronization.rs b/08_timestamps/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/08_timestamps/src/synchronization.rs
+++ b/08_timestamps/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/09_hw_debug_JTAG/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/09_hw_debug_JTAG/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/09_hw_debug_JTAG/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/09_hw_debug_JTAG/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/09_hw_debug_JTAG/src/main.rs b/09_hw_debug_JTAG/src/main.rs
index 5a7b9f55..efcd9880 100644
--- a/09_hw_debug_JTAG/src/main.rs
+++ b/09_hw_debug_JTAG/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
diff --git a/09_hw_debug_JTAG/src/panic_wait.rs b/09_hw_debug_JTAG/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/09_hw_debug_JTAG/src/panic_wait.rs
+++ b/09_hw_debug_JTAG/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/09_hw_debug_JTAG/src/print.rs b/09_hw_debug_JTAG/src/print.rs
index 5a563811..89fa6694 100644
--- a/09_hw_debug_JTAG/src/print.rs
+++ b/09_hw_debug_JTAG/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/09_hw_debug_JTAG/src/synchronization.rs b/09_hw_debug_JTAG/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/09_hw_debug_JTAG/src/synchronization.rs
+++ b/09_hw_debug_JTAG/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/10_privilege_level/README.md b/10_privilege_level/README.md
index 2556ec99..2e88c083 100644
--- a/10_privilege_level/README.md
+++ b/10_privilege_level/README.md
@@ -484,7 +484,7 @@ diff -uNr 09_hw_debug_JTAG/src/exception.rs 10_privilege_level/src/exception.rs
 diff -uNr 09_hw_debug_JTAG/src/main.rs 10_privilege_level/src/main.rs
 --- 09_hw_debug_JTAG/src/main.rs
 +++ 10_privilege_level/src/main.rs
-@@ -117,6 +117,7 @@
+@@ -118,6 +118,7 @@
  mod console;
  mod cpu;
  mod driver;
@@ -492,7 +492,7 @@ diff -uNr 09_hw_debug_JTAG/src/main.rs 10_privilege_level/src/main.rs
  mod memory;
  mod panic_wait;
  mod print;
-@@ -147,12 +148,20 @@
+@@ -148,12 +149,20 @@
 
  /// The main function running after the early init.
  fn kernel_main() -> ! {
@@ -513,7 +513,7 @@ diff -uNr 09_hw_debug_JTAG/src/main.rs 10_privilege_level/src/main.rs
      info!(
          "Architectural timer resolution: {} ns",
          time::time_manager().resolution().as_nanos()
-@@ -167,11 +176,15 @@
+@@ -168,11 +177,15 @@
          info!("      {}. {}", i + 1, driver.compatible());
      }
 
diff --git a/10_privilege_level/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/10_privilege_level/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/10_privilege_level/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/10_privilege_level/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/10_privilege_level/src/main.rs b/10_privilege_level/src/main.rs
index 74188343..193ff7a6 100644
--- a/10_privilege_level/src/main.rs
+++ b/10_privilege_level/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
diff --git a/10_privilege_level/src/panic_wait.rs b/10_privilege_level/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/10_privilege_level/src/panic_wait.rs
+++ b/10_privilege_level/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/10_privilege_level/src/print.rs b/10_privilege_level/src/print.rs
index 5a563811..89fa6694 100644
--- a/10_privilege_level/src/print.rs
+++ b/10_privilege_level/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/10_privilege_level/src/synchronization.rs b/10_privilege_level/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/10_privilege_level/src/synchronization.rs
+++ b/10_privilege_level/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/11_virtual_mem_part1_identity_mapping/README.md b/11_virtual_mem_part1_identity_mapping/README.md
index 0d24f17f..726012e1 100644
--- a/11_virtual_mem_part1_identity_mapping/README.md
+++ b/11_virtual_mem_part1_identity_mapping/README.md
@@ -1006,9 +1006,9 @@ diff -uNr 10_privilege_level/src/bsp.rs 11_virtual_mem_part1_identity_mapping/sr
 diff -uNr 10_privilege_level/src/main.rs 11_virtual_mem_part1_identity_mapping/src/main.rs
 --- 10_privilege_level/src/main.rs
 +++ 11_virtual_mem_part1_identity_mapping/src/main.rs
-@@ -106,7 +106,10 @@
- //!
+@@ -107,7 +107,10 @@
  //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 +#![allow(incomplete_features)]
  #![feature(const_fn_fn_ptr_basics)]
@@ -1017,7 +1017,7 @@ diff -uNr 10_privilege_level/src/main.rs 11_virtual_mem_part1_identity_mapping/s
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -130,9 +133,18 @@
+@@ -131,9 +134,18 @@
  /// # Safety
  ///
  /// - Only a single core must be active and running this function.
@@ -1037,7 +1037,7 @@ diff -uNr 10_privilege_level/src/main.rs 11_virtual_mem_part1_identity_mapping/s
 
      for i in bsp::driver::driver_manager().all_device_drivers().iter() {
          if let Err(x) = i.init() {
-@@ -156,6 +168,9 @@
+@@ -157,6 +169,9 @@
 
      info!("Booting on: {}", bsp::board_name());
 
@@ -1047,7 +1047,7 @@ diff -uNr 10_privilege_level/src/main.rs 11_virtual_mem_part1_identity_mapping/s
      let (_, privilege_level) = exception::current_privilege_level();
      info!("Current privilege level: {}", privilege_level);
 
-@@ -179,6 +194,13 @@
+@@ -180,6 +195,13 @@
      info!("Timer test, spinning for 1 second");
      time::time_manager().spin_for(Duration::from_secs(1));
 
diff --git a/11_virtual_mem_part1_identity_mapping/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/11_virtual_mem_part1_identity_mapping/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/11_virtual_mem_part1_identity_mapping/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/11_virtual_mem_part1_identity_mapping/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/11_virtual_mem_part1_identity_mapping/src/main.rs b/11_virtual_mem_part1_identity_mapping/src/main.rs
index 83ee1de5..bfc7d5e4 100644
--- a/11_virtual_mem_part1_identity_mapping/src/main.rs
+++ b/11_virtual_mem_part1_identity_mapping/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![allow(incomplete_features)]
 #![feature(const_fn_fn_ptr_basics)]
diff --git a/11_virtual_mem_part1_identity_mapping/src/panic_wait.rs b/11_virtual_mem_part1_identity_mapping/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/11_virtual_mem_part1_identity_mapping/src/panic_wait.rs
+++ b/11_virtual_mem_part1_identity_mapping/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/11_virtual_mem_part1_identity_mapping/src/print.rs b/11_virtual_mem_part1_identity_mapping/src/print.rs
index 5a563811..89fa6694 100644
--- a/11_virtual_mem_part1_identity_mapping/src/print.rs
+++ b/11_virtual_mem_part1_identity_mapping/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/11_virtual_mem_part1_identity_mapping/src/synchronization.rs b/11_virtual_mem_part1_identity_mapping/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/11_virtual_mem_part1_identity_mapping/src/synchronization.rs
+++ b/11_virtual_mem_part1_identity_mapping/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/12_exceptions_part1_groundwork/README.md b/12_exceptions_part1_groundwork/README.md
index 829ed092..c5d0f9f1 100644
--- a/12_exceptions_part1_groundwork/README.md
+++ b/12_exceptions_part1_groundwork/README.md
@@ -967,7 +967,7 @@ diff -uNr 11_virtual_mem_part1_identity_mapping/src/exception.rs 12_exceptions_p
 diff -uNr 11_virtual_mem_part1_identity_mapping/src/main.rs 12_exceptions_part1_groundwork/src/main.rs
 --- 11_virtual_mem_part1_identity_mapping/src/main.rs
 +++ 12_exceptions_part1_groundwork/src/main.rs
-@@ -111,6 +111,7 @@
+@@ -112,6 +112,7 @@
  #![feature(const_generics)]
  #![feature(const_panic)]
  #![feature(format_args_nl)]
@@ -975,7 +975,7 @@ diff -uNr 11_virtual_mem_part1_identity_mapping/src/main.rs 12_exceptions_part1_
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
  #![no_main]
-@@ -142,6 +143,8 @@
+@@ -143,6 +144,8 @@
      use driver::interface::DriverManager;
      use memory::mmu::interface::MMU;
 
@@ -984,7 +984,7 @@ diff -uNr 11_virtual_mem_part1_identity_mapping/src/main.rs 12_exceptions_part1_
      if let Err(string) = memory::mmu::mmu().init() {
          panic!("MMU: {}", string);
      }
-@@ -194,13 +197,28 @@
+@@ -195,13 +198,28 @@
      info!("Timer test, spinning for 1 second");
      time::time_manager().spin_for(Duration::from_secs(1));
 
diff --git a/12_exceptions_part1_groundwork/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/12_exceptions_part1_groundwork/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/12_exceptions_part1_groundwork/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/12_exceptions_part1_groundwork/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/12_exceptions_part1_groundwork/src/main.rs b/12_exceptions_part1_groundwork/src/main.rs
index 80706a24..4aa47c6e 100644
--- a/12_exceptions_part1_groundwork/src/main.rs
+++ b/12_exceptions_part1_groundwork/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![allow(incomplete_features)]
 #![feature(const_fn_fn_ptr_basics)]
diff --git a/12_exceptions_part1_groundwork/src/panic_wait.rs b/12_exceptions_part1_groundwork/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/12_exceptions_part1_groundwork/src/panic_wait.rs
+++ b/12_exceptions_part1_groundwork/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/12_exceptions_part1_groundwork/src/print.rs b/12_exceptions_part1_groundwork/src/print.rs
index 5a563811..89fa6694 100644
--- a/12_exceptions_part1_groundwork/src/print.rs
+++ b/12_exceptions_part1_groundwork/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/12_exceptions_part1_groundwork/src/synchronization.rs b/12_exceptions_part1_groundwork/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/12_exceptions_part1_groundwork/src/synchronization.rs
+++ b/12_exceptions_part1_groundwork/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/13_integrated_testing/README.md b/13_integrated_testing/README.md
index 9a99cbdf..cd03c27e 100644
--- a/13_integrated_testing/README.md
+++ b/13_integrated_testing/README.md
@@ -1157,7 +1157,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/exception.rs 13_integrated_testing/
 diff -uNr 12_exceptions_part1_groundwork/src/lib.rs 13_integrated_testing/src/lib.rs
 --- 12_exceptions_part1_groundwork/src/lib.rs
 +++ 13_integrated_testing/src/lib.rs
-@@ -0,0 +1,168 @@
+@@ -0,0 +1,169 @@
 +// SPDX-License-Identifier: MIT OR Apache-2.0
 +//
 +// Copyright (c) 2018-2021 Andre Richter <andre.o.richter@gmail.com>
@@ -1267,6 +1267,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/lib.rs 13_integrated_testing/src/li
 +//! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 +//!
 +//! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
++//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 +
 +#![allow(incomplete_features)]
 +#![feature(const_fn_fn_ptr_basics)]
@@ -1330,7 +1331,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/lib.rs 13_integrated_testing/src/li
 diff -uNr 12_exceptions_part1_groundwork/src/main.rs 13_integrated_testing/src/main.rs
 --- 12_exceptions_part1_groundwork/src/main.rs
 +++ 13_integrated_testing/src/main.rs
-@@ -6,128 +6,12 @@
+@@ -6,129 +6,12 @@
  #![doc(html_logo_url = "https://git.io/JeGIp")]
 
  //! The `kernel` binary.
@@ -1433,6 +1434,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/main.rs 13_integrated_testing/src/m
 -//! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 -//!
 -//! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+-//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 -
 -#![allow(incomplete_features)]
 -#![feature(const_fn_fn_ptr_basics)]
@@ -1461,7 +1463,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/main.rs 13_integrated_testing/src/m
 
  /// Early init code.
  ///
-@@ -139,6 +23,7 @@
+@@ -140,6 +23,7 @@
  ///       - Without it, any atomic operations, e.g. the yet-to-be-introduced spinlocks in the device
  ///         drivers (which currently employ NullLocks instead of spinlocks), will fail to work on
  ///         the RPi SoCs.
@@ -1469,7 +1471,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/main.rs 13_integrated_testing/src/m
  unsafe fn kernel_init() -> ! {
      use driver::interface::DriverManager;
      use memory::mmu::interface::MMU;
-@@ -165,9 +50,7 @@
+@@ -166,9 +50,7 @@
  fn kernel_main() -> ! {
      use bsp::console::console;
      use console::interface::All;
@@ -1479,7 +1481,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/main.rs 13_integrated_testing/src/m
 
      info!("Booting on: {}", bsp::board_name());
 
-@@ -194,31 +77,6 @@
+@@ -195,31 +77,6 @@
          info!("      {}. {}", i + 1, driver.compatible());
      }
 
@@ -1605,7 +1607,7 @@ diff -uNr 12_exceptions_part1_groundwork/src/panic_wait.rs 13_integrated_testing
 +
  /// Prints with a newline - only use from the panic handler.
  ///
- /// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+ /// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 @@ -35,5 +52,16 @@
          panic_println!("\nKernel panic!");
      }
diff --git a/13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/13_integrated_testing/src/lib.rs b/13_integrated_testing/src/lib.rs
index 0bc8d329..d427375c 100644
--- a/13_integrated_testing/src/lib.rs
+++ b/13_integrated_testing/src/lib.rs
@@ -107,6 +107,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![allow(incomplete_features)]
 #![feature(const_fn_fn_ptr_basics)]
diff --git a/13_integrated_testing/src/panic_wait.rs b/13_integrated_testing/src/panic_wait.rs
index 76438a9b..61536ba8 100644
--- a/13_integrated_testing/src/panic_wait.rs
+++ b/13_integrated_testing/src/panic_wait.rs
@@ -36,7 +36,7 @@ fn _panic_exit() -> ! {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/13_integrated_testing/src/print.rs b/13_integrated_testing/src/print.rs
index 5a563811..89fa6694 100644
--- a/13_integrated_testing/src/print.rs
+++ b/13_integrated_testing/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/13_integrated_testing/src/synchronization.rs b/13_integrated_testing/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/13_integrated_testing/src/synchronization.rs
+++ b/13_integrated_testing/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/14_exceptions_part2_peripheral_IRQs/README.md b/14_exceptions_part2_peripheral_IRQs/README.md
index e6dd762e..060a58e2 100644
--- a/14_exceptions_part2_peripheral_IRQs/README.md
+++ b/14_exceptions_part2_peripheral_IRQs/README.md
@@ -1776,7 +1776,7 @@ diff -uNr 13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
 --- 13_integrated_testing/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
 +++ 14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
 @@ -10,8 +10,8 @@
- //! - https://developer.arm.com/documentation/ddi0183/latest
+ //! - <https://developer.arm.com/documentation/ddi0183/latest>
 
  use crate::{
 -    bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
@@ -2180,7 +2180,7 @@ diff -uNr 13_integrated_testing/src/exception/asynchronous.rs 14_exceptions_part
 +/// context, aka executing an interrupt vector or subcalls of it.
 +///
 +/// Concept and implementation derived from the `CriticalSection` introduced in
-+/// https://github.com/rust-embedded/bare-metal
++/// <https://github.com/rust-embedded/bare-metal>
 +#[derive(Clone, Copy)]
 +pub struct IRQContext<'irq_context> {
 +    _0: PhantomData<&'irq_context ()>,
@@ -2296,8 +2296,8 @@ diff -uNr 13_integrated_testing/src/exception/asynchronous.rs 14_exceptions_part
 diff -uNr 13_integrated_testing/src/lib.rs 14_exceptions_part2_peripheral_IRQs/src/lib.rs
 --- 13_integrated_testing/src/lib.rs
 +++ 14_exceptions_part2_peripheral_IRQs/src/lib.rs
-@@ -109,9 +109,11 @@
- //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+@@ -110,9 +110,11 @@
+ //! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
  #![allow(incomplete_features)]
 +#![feature(asm)]
@@ -2308,7 +2308,7 @@ diff -uNr 13_integrated_testing/src/lib.rs 14_exceptions_part2_peripheral_IRQs/s
  #![feature(format_args_nl)]
  #![feature(global_asm)]
  #![feature(linkage)]
-@@ -135,6 +137,7 @@
+@@ -136,6 +138,7 @@
  pub mod exception;
  pub mod memory;
  pub mod print;
@@ -2510,7 +2510,7 @@ diff -uNr 13_integrated_testing/src/state.rs 14_exceptions_part2_peripheral_IRQs
 diff -uNr 13_integrated_testing/src/synchronization.rs 14_exceptions_part2_peripheral_IRQs/src/synchronization.rs
 --- 13_integrated_testing/src/synchronization.rs
 +++ 14_exceptions_part2_peripheral_IRQs/src/synchronization.rs
-@@ -27,6 +27,21 @@
+@@ -28,6 +28,21 @@
          /// Locks the mutex and grants the closure temporary mutable access to the wrapped data.
          fn lock<R>(&self, f: impl FnOnce(&mut Self::Data) -> R) -> R;
      }
@@ -2532,7 +2532,7 @@ diff -uNr 13_integrated_testing/src/synchronization.rs 14_exceptions_part2_perip
  }
 
  /// A pseudo-lock for teaching purposes.
-@@ -35,8 +50,18 @@
+@@ -36,8 +51,18 @@
  /// other cores to the contained data. This part is preserved for later lessons.
  ///
  /// The lock will only be used as long as it is safe to do so, i.e. as long as the kernel is
@@ -2553,7 +2553,7 @@ diff -uNr 13_integrated_testing/src/synchronization.rs 14_exceptions_part2_perip
  where
      T: ?Sized,
  {
-@@ -47,10 +72,22 @@
+@@ -48,10 +73,22 @@
  // Public Code
  //--------------------------------------------------------------------------------------------------
 
@@ -2579,7 +2579,7 @@ diff -uNr 13_integrated_testing/src/synchronization.rs 14_exceptions_part2_perip
      /// Create an instance.
      pub const fn new(data: T) -> Self {
          Self {
-@@ -62,8 +99,9 @@
+@@ -63,8 +100,9 @@
  //------------------------------------------------------------------------------
  // OS Interface Code
  //------------------------------------------------------------------------------
@@ -2590,7 +2590,7 @@ diff -uNr 13_integrated_testing/src/synchronization.rs 14_exceptions_part2_perip
      type Data = T;
 
      fn lock<R>(&self, f: impl FnOnce(&mut Self::Data) -> R) -> R {
-@@ -71,6 +109,32 @@
+@@ -72,6 +110,32 @@
          // mutable reference will ever only be given out once at a time.
          let data = unsafe { &mut *self.data.get() };
 
diff --git a/14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index 1dd0a14c..c8026dcf 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp, bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, exception,
diff --git a/14_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs b/14_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
index 2b9ef05f..e9aace35 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
@@ -38,7 +38,7 @@ pub struct IRQDescriptor {
 /// context, aka executing an interrupt vector or subcalls of it.
 ///
 /// Concept and implementation derived from the `CriticalSection` introduced in
-/// https://github.com/rust-embedded/bare-metal
+/// <https://github.com/rust-embedded/bare-metal>
 #[derive(Clone, Copy)]
 pub struct IRQContext<'irq_context> {
     _0: PhantomData<&'irq_context ()>,
diff --git a/14_exceptions_part2_peripheral_IRQs/src/lib.rs b/14_exceptions_part2_peripheral_IRQs/src/lib.rs
index bc50cabd..2d12290f 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/lib.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/lib.rs
@@ -107,6 +107,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![allow(incomplete_features)]
 #![feature(asm)]
diff --git a/14_exceptions_part2_peripheral_IRQs/src/panic_wait.rs b/14_exceptions_part2_peripheral_IRQs/src/panic_wait.rs
index 0b724abd..8c7770b6 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/panic_wait.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/panic_wait.rs
@@ -36,7 +36,7 @@ fn _panic_exit() -> ! {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/14_exceptions_part2_peripheral_IRQs/src/print.rs b/14_exceptions_part2_peripheral_IRQs/src/print.rs
index 5a563811..89fa6694 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/print.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/14_exceptions_part2_peripheral_IRQs/src/synchronization.rs b/14_exceptions_part2_peripheral_IRQs/src/synchronization.rs
index 6133826e..fe9d454a 100644
--- a/14_exceptions_part2_peripheral_IRQs/src/synchronization.rs
+++ b/14_exceptions_part2_peripheral_IRQs/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/15_virtual_mem_part2_mmio_remap/README.md b/15_virtual_mem_part2_mmio_remap/README.md
index b326d589..9adbe9c2 100644
--- a/15_virtual_mem_part2_mmio_remap/README.md
+++ b/15_virtual_mem_part2_mmio_remap/README.md
@@ -1190,7 +1190,7 @@ diff -uNr 14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_
 --- 14_exceptions_part2_peripheral_IRQs/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
 +++ 15_virtual_mem_part2_mmio_remap/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
 @@ -10,10 +10,13 @@
- //! - https://developer.arm.com/documentation/ddi0183/latest
+ //! - <https://developer.arm.com/documentation/ddi0183/latest>
 
  use crate::{
 -    bsp, bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, exception,
@@ -1939,7 +1939,7 @@ diff -uNr 14_exceptions_part2_peripheral_IRQs/src/driver.rs 15_virtual_mem_part2
 diff -uNr 14_exceptions_part2_peripheral_IRQs/src/lib.rs 15_virtual_mem_part2_mmio_remap/src/lib.rs
 --- 14_exceptions_part2_peripheral_IRQs/src/lib.rs
 +++ 15_virtual_mem_part2_mmio_remap/src/lib.rs
-@@ -110,6 +110,7 @@
+@@ -111,6 +111,7 @@
 
  #![allow(incomplete_features)]
  #![feature(asm)]
@@ -1947,7 +1947,7 @@ diff -uNr 14_exceptions_part2_peripheral_IRQs/src/lib.rs 15_virtual_mem_part2_mm
  #![feature(const_fn_fn_ptr_basics)]
  #![feature(const_generics)]
  #![feature(const_panic)]
-@@ -131,6 +132,7 @@
+@@ -132,6 +133,7 @@
  mod synchronization;
 
  pub mod bsp;
diff --git a/15_virtual_mem_part2_mmio_remap/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/15_virtual_mem_part2_mmio_remap/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index e279c206..4b1e9c93 100644
--- a/15_virtual_mem_part2_mmio_remap/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp, bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, exception, memory,
diff --git a/15_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs b/15_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
index 2b9ef05f..e9aace35 100644
--- a/15_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
@@ -38,7 +38,7 @@ pub struct IRQDescriptor {
 /// context, aka executing an interrupt vector or subcalls of it.
 ///
 /// Concept and implementation derived from the `CriticalSection` introduced in
-/// https://github.com/rust-embedded/bare-metal
+/// <https://github.com/rust-embedded/bare-metal>
 #[derive(Clone, Copy)]
 pub struct IRQContext<'irq_context> {
     _0: PhantomData<&'irq_context ()>,
diff --git a/15_virtual_mem_part2_mmio_remap/src/lib.rs b/15_virtual_mem_part2_mmio_remap/src/lib.rs
index 89df0dd5..a509d86f 100644
--- a/15_virtual_mem_part2_mmio_remap/src/lib.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/lib.rs
@@ -107,6 +107,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![allow(incomplete_features)]
 #![feature(asm)]
diff --git a/15_virtual_mem_part2_mmio_remap/src/panic_wait.rs b/15_virtual_mem_part2_mmio_remap/src/panic_wait.rs
index 0b724abd..8c7770b6 100644
--- a/15_virtual_mem_part2_mmio_remap/src/panic_wait.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/panic_wait.rs
@@ -36,7 +36,7 @@ fn _panic_exit() -> ! {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/15_virtual_mem_part2_mmio_remap/src/print.rs b/15_virtual_mem_part2_mmio_remap/src/print.rs
index 5a563811..89fa6694 100644
--- a/15_virtual_mem_part2_mmio_remap/src/print.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/15_virtual_mem_part2_mmio_remap/src/synchronization.rs b/15_virtual_mem_part2_mmio_remap/src/synchronization.rs
index 6133826e..fe9d454a 100644
--- a/15_virtual_mem_part2_mmio_remap/src/synchronization.rs
+++ b/15_virtual_mem_part2_mmio_remap/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;
 
diff --git a/X1_JTAG_boot/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs b/X1_JTAG_boot/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
index ce39752d..d2aae4d2 100644
--- a/X1_JTAG_boot/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
+++ b/X1_JTAG_boot/src/bsp/device_driver/bcm/bcm2xxx_pl011_uart.rs
@@ -6,8 +6,8 @@
 //!
 //! # Resources
 //!
-//! - https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf
-//! - https://developer.arm.com/documentation/ddi0183/latest
+//! - <https://github.com/raspberrypi/documentation/files/1888662/BCM2837-ARM-Peripherals.-.Revised.-.V2-1.pdf>
+//! - <https://developer.arm.com/documentation/ddi0183/latest>
 
 use crate::{
     bsp::device_driver::common::MMIODerefWrapper, console, cpu, driver, synchronization,
diff --git a/X1_JTAG_boot/src/main.rs b/X1_JTAG_boot/src/main.rs
index fa5ba64a..4f45d955 100644
--- a/X1_JTAG_boot/src/main.rs
+++ b/X1_JTAG_boot/src/main.rs
@@ -105,6 +105,7 @@
 //! 2. Once finished with architectural setup, the arch code calls [`runtime_init::runtime_init()`].
 //!
 //! [`cpu::boot::arch_boot::_start()`]: cpu/boot/arch_boot/fn._start.html
+//! [`runtime_init::runtime_init()`]: runtime_init/fn.runtime_init.html
 
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
diff --git a/X1_JTAG_boot/src/panic_wait.rs b/X1_JTAG_boot/src/panic_wait.rs
index 7980f5de..66fbe6b4 100644
--- a/X1_JTAG_boot/src/panic_wait.rs
+++ b/X1_JTAG_boot/src/panic_wait.rs
@@ -19,7 +19,7 @@ fn _panic_print(args: fmt::Arguments) {
 
 /// Prints with a newline - only use from the panic handler.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! panic_println {
     ($($arg:tt)*) => ({
diff --git a/X1_JTAG_boot/src/print.rs b/X1_JTAG_boot/src/print.rs
index 5a563811..89fa6694 100644
--- a/X1_JTAG_boot/src/print.rs
+++ b/X1_JTAG_boot/src/print.rs
@@ -20,7 +20,7 @@ pub fn _print(args: fmt::Arguments) {
 
 /// Prints without a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! print {
     ($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
@@ -28,7 +28,7 @@ macro_rules! print {
 
 /// Prints with a newline.
 ///
-/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
+/// Carbon copy from <https://doc.rust-lang.org/src/std/macros.rs.html>
 #[macro_export]
 macro_rules! println {
     () => ($crate::print!("\n"));
diff --git a/X1_JTAG_boot/src/synchronization.rs b/X1_JTAG_boot/src/synchronization.rs
index f956b5cd..7bb2938b 100644
--- a/X1_JTAG_boot/src/synchronization.rs
+++ b/X1_JTAG_boot/src/synchronization.rs
@@ -4,10 +4,11 @@
 
 //! Synchronization primitives.
 //!
-//! Suggested literature:
-//!   - https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html
-//!   - https://stackoverflow.com/questions/59428096/understanding-the-send-trait
-//!   - https://doc.rust-lang.org/std/cell/index.html
+//! # Resources
+//!
+//!   - <https://doc.rust-lang.org/book/ch16-04-extensible-concurrency-sync-and-send.html>
+//!   - <https://stackoverflow.com/questions/59428096/understanding-the-send-trait>
+//!   - <https://doc.rust-lang.org/std/cell/index.html>
 
 use core::cell::UnsafeCell;