diff --git a/roomserver/storage/storage.go b/roomserver/storage/storage.go
index 28bb27863..40340ff20 100644
--- a/roomserver/storage/storage.go
+++ b/roomserver/storage/storage.go
@@ -352,6 +352,9 @@ func (d *Database) fetchRedactionEvents(
 	return
 }
 
+// validateRedactions attempts to validate the given redactions.
+// Returns redactions that are successfully validated.
+// It will update the validation status in the database for the validated redactions.
 func (d *Database) validateRedactions(
 	ctx context.Context,
 	unvalidatedRedactions redactedToRedactionMap,
diff --git a/syncapi/storage/syncserver.go b/syncapi/storage/syncserver.go
index 96001e63a..7bc81bc7f 100644
--- a/syncapi/storage/syncserver.go
+++ b/syncapi/storage/syncserver.go
@@ -977,6 +977,9 @@ func (d *SyncServerDatasource) fetchRedactionEvents(
 	return
 }
 
+// validateRedactions attempts to validate the given redactions.
+// Returns redactions that are successfully validated.
+// It will update the validation status in the database for the validated redactions.
 func (d *SyncServerDatasource) validateRedactions(
 	ctx context.Context,
 	txn *sql.Tx,