diff --git a/COLLABORATOR_GUIDE.md b/COLLABORATOR_GUIDE.md
index 41e4ddd9abfcf2..86e325f3fda058 100644
--- a/COLLABORATOR_GUIDE.md
+++ b/COLLABORATOR_GUIDE.md
@@ -517,7 +517,8 @@ Run tests (`make -j4 test` or `vcbuild test`). Even though there was a
 successful continuous integration run, other changes may have landed on master
 since then, so running the tests one last time locally is a good practice.
 
-Validate that the commit message is properly formatted using [core-validate-commit](https://github.com/evanlucas/core-validate-commit).
+Validate that the commit message is properly formatted using
+[core-validate-commit](https://github.com/evanlucas/core-validate-commit).
 
 ```text
 $ core-validate-commit