diff --git a/protoset.go b/protoset.go
index 0b626ac..f0c650a 100755
--- a/protoset.go
+++ b/protoset.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 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.