Update copyright
diff --git a/library/pkwrite.c b/library/pkwrite.c
index 40184cd..f5b3eaf 100644
--- a/library/pkwrite.c
+++ b/library/pkwrite.c
@@ -1,7 +1,7 @@
 /*
  *  Public Key layer for writing key files and structures
  *
- *  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>