Update copyright
diff --git a/include/polarssl/sha256.h b/include/polarssl/sha256.h
index 56b1efe..8f1aa19 100644
--- a/include/polarssl/sha256.h
+++ b/include/polarssl/sha256.h
@@ -3,7 +3,7 @@
  *
  * \brief SHA-224 and SHA-256 cryptographic hash function
  *
- *  Copyright (C) 2006-2014, Brainspark B.V.
+ *  Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
  *
  *  This file is part of mbed TLS (http://www.polarssl.org)
  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>