diff --git a/gbm.c b/gbm.c
index 7389cd8..1a81e7e 100644
--- a/gbm.c
+++ b/gbm.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Copyright 2014 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */