diff --git a/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_MICRO/mbed_boot_arm_micro.c b/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_MICRO/mbed_boot_arm_micro.c
index c968deb755..ef4d7593eb 100644
--- a/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_MICRO/mbed_boot_arm_micro.c
+++ b/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_MICRO/mbed_boot_arm_micro.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018-2018 ARM Limited
+ * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_STD/mbed_boot_arm_std.c b/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_STD/mbed_boot_arm_std.c
index 1475082d8a..bac7cafde5 100644
--- a/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_STD/mbed_boot_arm_std.c
+++ b/rtos/TARGET_CORTEX/TOOLCHAIN_ARM_STD/mbed_boot_arm_std.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018-2018 ARM Limited
+ * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/TOOLCHAIN_GCC_ARM/mbed_boot_gcc_arm.c b/rtos/TARGET_CORTEX/TOOLCHAIN_GCC_ARM/mbed_boot_gcc_arm.c
index 105f780860..a2f2bd7a28 100644
--- a/rtos/TARGET_CORTEX/TOOLCHAIN_GCC_ARM/mbed_boot_gcc_arm.c
+++ b/rtos/TARGET_CORTEX/TOOLCHAIN_GCC_ARM/mbed_boot_gcc_arm.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018-2018 ARM Limited
+ * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c b/rtos/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
index 387b7f8dc1..0812be93f0 100644
--- a/rtos/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
+++ b/rtos/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018-2018 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/mbed_boot.c b/rtos/TARGET_CORTEX/mbed_boot.c
index b652649bc3..c3f691888b 100644
--- a/rtos/TARGET_CORTEX/mbed_boot.c
+++ b/rtos/TARGET_CORTEX/mbed_boot.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/mbed_boot.h b/rtos/TARGET_CORTEX/mbed_boot.h
index 7aef50fe91..3abd9c40a1 100644
--- a/rtos/TARGET_CORTEX/mbed_boot.h
+++ b/rtos/TARGET_CORTEX/mbed_boot.h
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018-2018 ARM Limited
+ * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/mbed_rtos1_types.h b/rtos/TARGET_CORTEX/mbed_rtos1_types.h
index 73df37f061..e44fa25edb 100644
--- a/rtos/TARGET_CORTEX/mbed_rtos1_types.h
+++ b/rtos/TARGET_CORTEX/mbed_rtos1_types.h
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2006-2017 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/rtos/TARGET_CORTEX/mbed_rtos_rtx.c b/rtos/TARGET_CORTEX/mbed_rtos_rtx.c
index 6e7a11c2e8..87e4d2ec79 100644
--- a/rtos/TARGET_CORTEX/mbed_rtos_rtx.c
+++ b/rtos/TARGET_CORTEX/mbed_rtos_rtx.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018-2018 ARM Limited
+ * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/rtos/TARGET_CORTEX/mbed_rtx_handlers.c b/rtos/TARGET_CORTEX/mbed_rtx_handlers.c
index 8bc395cba3..845990c7c1 100644
--- a/rtos/TARGET_CORTEX/mbed_rtx_handlers.c
+++ b/rtos/TARGET_CORTEX/mbed_rtx_handlers.c
@@ -1,5 +1,6 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2006-2016 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.