diff --git a/src/github.com/matrix-org/dendrite/appservice/query/query.go b/src/github.com/matrix-org/dendrite/appservice/query/query.go
index 211c762df..fde3ab09c 100644
--- a/src/github.com/matrix-org/dendrite/appservice/query/query.go
+++ b/src/github.com/matrix-org/dendrite/appservice/query/query.go
@@ -109,7 +109,7 @@ func (a *AppServiceQueryAPI) RoomAliasExists(
 }
 
 // UserIDExists performs a request to '/users/{userID}' on all known
-// handling application services until one admits to owning the room
+// handling application services until one admits to owning the user ID
 func (a *AppServiceQueryAPI) UserIDExists(
 	ctx context.Context,
 	request *api.UserIDExistsRequest,