diff --git a/README.md b/README.md
index 09447ad..6388f96 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,13 @@
 A [Homebrew tap](https://github.com/mhanberg/homebrew-zk) is maintained by [@mhanberg](https://github.com/mhanberg).
 
 ```sh
-brew install [--build-from-source] mhanberg/zk/zk
+brew install mhanberg/zk/zk
+```
+
+Or, if you want to build from the source directly:
+
+```sh
+brew install --build-from-source mhanberg/zk/zk
 ```
 
 ### Arch Linux