Index: tools/tools/git/hooks/prepare-commit-msg
===================================================================
--- tools/tools/git/hooks/prepare-commit-msg
+++ tools/tools/git/hooks/prepare-commit-msg
@@ -49,6 +49,7 @@
 # Approved by:	<If you needed approval for this commit.>
 # Obtained from:	<If the change is from a third party.>
 # MFC after:	<N [day[s]|week[s]|month[s]].  Request a reminder email>
+# Fixes:	<Hash of commit fixed by this one>
 # MFH:		<Ports tree branch name.  Request approval for merge.>
 # Relnotes:	<Set to 'yes' for mention in release notes.>
 # Security:	<Vulnerability reference (one per line) or description.>