Update copyright notice
diff --git a/library/gcm.c b/library/gcm.c
index 08435f9..735c215 100644
--- a/library/gcm.c
+++ b/library/gcm.c
@@ -1,12 +1,9 @@
 /*
  *  NIST SP800-38D compliant GCM implementation
  *
- *  Copyright (C) 2006-2012, Brainspark B.V.
+ *  Copyright (C) 2006-2012, ARM Limited, All Rights Reserved
  *
- *  This file is part of PolarSSL (http://www.polarssl.org)
- *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
- *
- *  All rights reserved.
+ *  This file is part of mbed TLS (https://www.polarssl.org)
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by