diff --git a/pkg/frontend_server/bin/frontend_server_starter.dart b/pkg/frontend_server/bin/frontend_server_starter.dart
index 487f980..95328ae 100644
--- a/pkg/frontend_server/bin/frontend_server_starter.dart
+++ b/pkg/frontend_server/bin/frontend_server_starter.dart
@@ -1,4 +1,7 @@
-// @dart = 2.9
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 library frontend_server;
 
 import 'dart:async';