diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index df83b5b4d4d422a831dc327e7567e7845692cde2..d11502a343f0fbaa88d25d8ab740e173be732a2b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -40,7 +40,7 @@ you are agreeing that Software Carpentry may redistribute your work under
 
 [lesson-template-issues]: https://github.com/swcarpentry/lesson-template/issues
 [license]: LICENSE.md
-[pro-git]: http://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project
+[pro-git-chapter]: http://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project
 [swc-lessons]: http://software-carpentry.org/lessons.html
 [swc-maintainers]: http://software-carpentry.org/lessons.html#maintainers
 [swc-website]: http://software-carpentry.org