diff --git a/include/lib/libc/stddef.h b/include/lib/libc/stddef.h
index 58a519e..aaad673 100644
--- a/include/lib/libc/stddef.h
+++ b/include/lib/libc/stddef.h
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 /*
- * Portions copyright (c) 2018-2019, ARM Limited and Contributors.
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
  * All rights reserved.
  */