diff --git a/makefiles/lint/yaml.mk b/makefiles/lint/yaml.mk
index 8a9367b..424fa89 100644
--- a/makefiles/lint/yaml.mk
+++ b/makefiles/lint/yaml.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors (ONF) and the ONF Contributors
 # -----------------------------------------------------------------------
 
 ##-------------------##