Update copyright
diff --git a/library/hmac_drbg.c b/library/hmac_drbg.c
index aa26390..a6e6caa 100644
--- a/library/hmac_drbg.c
+++ b/library/hmac_drbg.c
@@ -1,7 +1,7 @@
 /*
  *  HMAC_DRBG implementation (NIST SP 800-90)
  *
- *  Copyright (C) 2014, Brainspark B.V.
+ *  Copyright (C) 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>