Update copyright notice
diff --git a/include/polarssl/x509.h b/include/polarssl/x509.h
index 0f3bd07..ed78645 100644
--- a/include/polarssl/x509.h
+++ b/include/polarssl/x509.h
@@ -3,12 +3,9 @@
  *
  * \brief X.509 certificate and private key decoding
  *
- *  Copyright (C) 2006-2011, Brainspark B.V.
+ *  Copyright (C) 2006-2011, 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