diff --git a/tests/greengrass/basic_discovery/hello_world_subscriber.py b/tests/greengrass/basic_discovery/hello_world_subscriber.py
index 44fd99b71..ed817a6e9 100644
--- a/tests/greengrass/basic_discovery/hello_world_subscriber.py
+++ b/tests/greengrass/basic_discovery/hello_world_subscriber.py
@@ -1,3 +1,6 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0.
+
 import argparse
 import sys
 import time