diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ebb54c1d02..d84e45a8fd 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,3 +16,7 @@ Old filters which are confirmed to still be required must be moved to the end of
     ||data.inertanceretinallaurel.com^
 
 This way this documents why a filter was added, and how to verify whether an old filter is still needed. The comment line preceding the filter(s) to solve a specific issue should be only a URL to the issue. The issue itself can contains all the details about how the issue was solved, and why it was solved this way, etc.
+
+##### Commit message
+
+Keep it simple, example: `this fixes #2`. The issue itself will contains all the details.