diff --git a/tinycrypt/ecc_dh.c b/tinycrypt/ecc_dh.c
index 08b92a4..ec1328e 100644
--- a/tinycrypt/ecc_dh.c
+++ b/tinycrypt/ecc_dh.c
@@ -1,11 +1,14 @@
 /* ec_dh.c - TinyCrypt implementation of EC-DH */
 
 /*
+ *  Copyright (c) 2019, Arm Limited (or its affiliates), All Rights Reserved.
+ *  SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
  * Copyright (c) 2014, Kenneth MacKay
  * All rights reserved.
  *
- * SPDX-License-Identifier: BSD-3-Clause
- *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *  * Redistributions of source code must retain the above copyright notice,