diff --git a/BUILD.gn b/BUILD.gn
index ddbc38ca21d43d744b5ae209080a1ff81e5abcc0..a164c57d754bbe2141a5d826328dad01878c9db2 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2,7 +2,7 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-#
+# test tdd
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software