diff --git a/mysql-test/t/federated.test b/mysql-test/t/federated.test
index 6540cf8648e..f6752d60f0f 100644
--- a/mysql-test/t/federated.test
+++ b/mysql-test/t/federated.test
@@ -1820,6 +1820,11 @@ DROP TABLE t1;
 # BUG#34788 - malformed federated connection url is not handled correctly -
 #             crashes server !
 #
+# also tests
+#
+# BUG#35509 - Federated leaks memory when connecting to localhost/default
+#             port
+#
 CREATE TABLE t1 (a INT) ENGINE=federated CONNECTION='mysql://@:://';
 DROP TABLE t1;