diff --git a/lib_xua/src/core/mixer/fastmix.S b/lib_xua/src/core/mixer/fastmix.S
index 139f203a..0ab9c0ff 100644
--- a/lib_xua/src/core/mixer/fastmix.S
+++ b/lib_xua/src/core/mixer/fastmix.S
@@ -1,4 +1,4 @@
-// Copyright (c) 2018, XMOS Ltd, All rights reserved
+// Copyright (c) 2018-2020, XMOS Ltd, All rights reserved
 //#include "devicedefines.h"
 
 #define MAX_MIX_COUNT 8