diff --git a/libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/utils.py b/libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/utils.py
index 5028f555..b1461b3f 100644
--- a/libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/utils.py
+++ b/libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/utils.py
@@ -1,4 +1,5 @@
-# Copyright (c) Microsoft. All rights reserved.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 import datetime
 import functools