diff --git a/examples/att-values.yaml b/examples/att-values.yaml
index 3c2385f..0f70ecc 100644
--- a/examples/att-values.yaml
+++ b/examples/att-values.yaml
@@ -1,6 +1,6 @@
 ---
 
-# Copyright 2020-present Open Networking Foundation
+# Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.