diff --git a/rw_core/core/device/manager_state_callback.go b/rw_core/core/device/manager_state_callback.go
index b833250..4dc5b7e 100644
--- a/rw_core/core/device/manager_state_callback.go
+++ b/rw_core/core/device/manager_state_callback.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021-present Open Networking Foundation
+ * Copyright 2021-2023 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.