diff --git a/lib_xua/src/hid/hid.xc b/lib_xua/src/hid/hid.xc
index bdd5aef3..478bfea5 100644
--- a/lib_xua/src/hid/hid.xc
+++ b/lib_xua/src/hid/hid.xc
@@ -1,3 +1,4 @@
+// Copyright (c) 2019, XMOS Ltd, All rights reserved
 #include <xs1.h>
 #include "descriptor_defs.h"
 #include "hid.h"
diff --git a/lib_xua/src/hid/xua_hid.h b/lib_xua/src/hid/xua_hid.h
index ab8b2e05..23d507e0 100644
--- a/lib_xua/src/hid/xua_hid.h
+++ b/lib_xua/src/hid/xua_hid.h
@@ -1,3 +1,4 @@
+// Copyright (c) 2019, XMOS Ltd, All rights reserved
 #include <xs1.h>
 #include <xccompat.h>
 #include "xud.h"