Edited preface.asciidoc with Atlas code editor

preface.asciidoc

@@ -57,7 +57,7 @@ If you have a technical question or a problem using the code examples, please se
 
 This book is here to help you get your job done. In general, if example code is offered with this book, you may use it in your programs and documentation. You do not need to contact us for permission unless you’re reproducing a significant portion of the code. For example, writing a program that uses several chunks of code from this book does not require permission. Selling or distributing examples from O’Reilly books does require permission. Answering a question by citing this book and quoting example code does not require permission. Incorporating a significant amount of example code from this book into your product’s documentation does require permission.
 
-We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, ISBN, and copyright. For example: “__Mastering the Lightning Network__ by Andreas M. Antonopoulos, Olaoluwa Osuntokun, René Pickhardt (O'Reilly). Copyright 2020, ISBN - xxx-xx-x-xxxxx."
+We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, ISBN, and copyright. For example: “__Mastering the Lightning Network__ by Andreas M. Antonopoulos, Olaoluwa Osuntokun, and René Pickhardt (O'Reilly). Copyright 2022 aantonop Books LLC, René Pickhardt, and uuddlrlrbas LLC, ISBN 978-1-492-05486-3."
 
 __Mastering the Lightning Network__ is offered under the Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 International License (CC BY-NC-ND 4.0).