diff --git a/src/github.com/matrix-org/dendrite/clientapi/routing/room_tagging.go b/src/github.com/matrix-org/dendrite/clientapi/routing/room_tagging.go
index f66510e7c..afa08d2bd 100644
--- a/src/github.com/matrix-org/dendrite/clientapi/routing/room_tagging.go
+++ b/src/github.com/matrix-org/dendrite/clientapi/routing/room_tagging.go
@@ -198,6 +198,7 @@ func addDataToDB(
 	}
 }
 
+// getContentFromData is an utility function to obtain "content" from the ClientEvent 
 func getContentFromData(data []gomatrixserverlib.ClientEvent) []gomatrixserverlib.RawJSON {
 	var contentData []gomatrixserverlib.RawJSON
 	for i:=0 ; i< len(data); i++{