diff --git a/test/mbed-client-randlib/unittest/randlib/main.cpp b/test/mbed-client-randlib/unittest/randlib/main.cpp
index becceb65ca..74379d70f4 100644
--- a/test/mbed-client-randlib/unittest/randlib/main.cpp
+++ b/test/mbed-client-randlib/unittest/randlib/main.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 ARM. All rights reserved.
+ * Copyright (c) 2015 ARM Limited. All rights reserved.
  */
 
 #include "CppUTest/CommandLineTestRunner.h"
diff --git a/test/mbed-client-randlib/unittest/randlib/randlibtest.cpp b/test/mbed-client-randlib/unittest/randlib/randlibtest.cpp
index 309896d81d..1a9d1f9c07 100644
--- a/test/mbed-client-randlib/unittest/randlib/randlibtest.cpp
+++ b/test/mbed-client-randlib/unittest/randlib/randlibtest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 ARM. All rights reserved.
+ * Copyright (c) 2016 ARM Limited. All rights reserved.
  */
 #include "CppUTest/TestHarness.h"
 #include "test_randlib.h"
diff --git a/test/mbed-client-randlib/unittest/randlib/test_randlib.c b/test/mbed-client-randlib/unittest/randlib/test_randlib.c
index 3a9639f7b7..cc87ccb02e 100644
--- a/test/mbed-client-randlib/unittest/randlib/test_randlib.c
+++ b/test/mbed-client-randlib/unittest/randlib/test_randlib.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 ARM. All rights reserved.
+ * Copyright (c) 2016 ARM Limited. All rights reserved.
  */
 #include "test_randlib.h"
 #include <string.h>
diff --git a/test/mbed-client-randlib/unittest/randlib/test_randlib.h b/test/mbed-client-randlib/unittest/randlib/test_randlib.h
index a1949e6d05..892bfc4d1e 100644
--- a/test/mbed-client-randlib/unittest/randlib/test_randlib.h
+++ b/test/mbed-client-randlib/unittest/randlib/test_randlib.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 ARM. All rights reserved.
+ * Copyright (c) 2016 ARM Limited. All rights reserved.
  */
 #ifndef TEST_RANDLIB_H
 #define TEST_RANDLIB_H
diff --git a/test/mbed-client-randlib/unittest/stubs/open_stub.c b/test/mbed-client-randlib/unittest/stubs/open_stub.c
index 6fda589546..c57a44a02a 100644
--- a/test/mbed-client-randlib/unittest/stubs/open_stub.c
+++ b/test/mbed-client-randlib/unittest/stubs/open_stub.c
@@ -1,3 +1,6 @@
+/*
+ * Copyright (c) 2016 ARM Limited. All rights reserved.
+ */
 #include <stdbool.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/test/mbed-client-randlib/unittest/stubs/random_stub.c b/test/mbed-client-randlib/unittest/stubs/random_stub.c
index c271839a6b..7e3aea2e48 100644
--- a/test/mbed-client-randlib/unittest/stubs/random_stub.c
+++ b/test/mbed-client-randlib/unittest/stubs/random_stub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited, All Rights Reserved
+ * Copyright (c) 2016 ARM Limited. All rights reserved.
  */
 
 #include "ns_types.h"