diff --git a/src/github.com/matrix-org/dendrite/clientapi/readers/profile.go b/src/github.com/matrix-org/dendrite/clientapi/readers/profile.go
index cddd1ffc6..d4ba5136c 100644
--- a/src/github.com/matrix-org/dendrite/clientapi/readers/profile.go
+++ b/src/github.com/matrix-org/dendrite/clientapi/readers/profile.go
@@ -180,6 +180,8 @@ func getLocalPart(userID string) string {
 	return strings.Split(username, "@")[1]
 }
 
+// Send an update using kafka to notify the roomserver of the profile update
+// Returns an error if the update failed to send
 func sendUpdate(userID string, newAvatarURL string, newDisplayName string,
 	accountDB *accounts.Database, cfg config.Dendrite,
 ) error {