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@@ -7,7 +7,7 @@ You can find this book online at: https://git-scm.com/book
 Like the first edition, the second edition of Pro Git is open source under a Creative Commons license.
 
 A couple of things have changed since open sourcing the first edition.
-For one, we've moved from Markdown to the amazing AsciiDoc format for the text of the book; here's an https://asciidoctor.org/docs/asciidoc-syntax-quick-reference/[AsciiDoc quick reference].
+For one, we've moved from Markdown to the amazing AsciiDoc format for the text of the book; here's an https://docs.asciidoctor.org/asciidoc/latest/syntax-quick-reference/[AsciiDoc quick reference].
 
 We've also moved to keeping the translations in separate repositories rather than subdirectories of the English repository.
 See link:TRANSLATING.md[the translating document] for more information.