diff --git a/doc/devel/rfc/GitCommitMessageFormat.txt b/doc/devel/rfc/GitCommitMessageFormat.txt
index 2396940d3..b6c0c9237 100644
--- a/doc/devel/rfc/GitCommitMessageFormat.txt
+++ b/doc/devel/rfc/GitCommitMessageFormat.txt
@@ -89,6 +89,11 @@ them. Normal work doesn't have any of these keywords but just free form text.
         planned. Same rules as NoBug's PLANNED apply.
 
 
+'DONE:'::
+        Final commit/merge when some noteworthy part is done. The idea here is
+        that finished things could be easily filtered out for our quarterly reports.
+
+
 ... any other suggestions? ...