diff --git a/source/hal/source/platform/simple/source/platform_drivers.c b/source/hal/source/platform/simple/source/platform_drivers.c
index 3e04323..914b1ac 100644
--- a/source/hal/source/platform/simple/source/platform_drivers.c
+++ b/source/hal/source/platform/simple/source/platform_drivers.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/source/hal/source/platform/simple/source/timer_simple_platform.c b/source/hal/source/platform/simple/source/timer_simple_platform.c
index 8086abd..ca44c32 100644
--- a/source/hal/source/platform/simple/source/timer_simple_platform.c
+++ b/source/hal/source/platform/simple/source/timer_simple_platform.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");