diff --git a/api/src/main/java/org/opencord/bng/PppoeEventSubject.java b/api/src/main/java/org/opencord/bng/PppoeEventSubject.java
index 734ac37..6ad2bcc 100644
--- a/api/src/main/java/org/opencord/bng/PppoeEventSubject.java
+++ b/api/src/main/java/org/opencord/bng/PppoeEventSubject.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-present Open Networking Foundation
+ * Copyright 2019-2023 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.