diff --git a/cggs.py b/cggs.py
index 78f6e19..975ed33 100644
--- a/cggs.py
+++ b/cggs.py
@@ -1,6 +1,20 @@
 #!/usr/bin/env python3
-
-# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# -----------------------------------------------------------------------
+# 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.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors <support@opennetworking.org>
 # SPDX-License-Identifier: Apache-2.0
 
 from __future__ import absolute_import
@@ -343,3 +357,5 @@
     # sync each group
     for groupname in settings["groups"]:
         sync_group(settings, groupname)
+
+# [EOF]