diff --git a/tests/validation/reference/Unstack.h b/tests/validation/reference/Unstack.h
index a9e48d7..88f8a66 100644
--- a/tests/validation/reference/Unstack.h
+++ b/tests/validation/reference/Unstack.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2019 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *