diff --git a/tests/Extensions/Abstractions.UnitTests/Activities/TimedScopeTests.cs b/tests/Extensions/Abstractions.UnitTests/Activities/TimedScopeTests.cs
index f8a4c0a2..46c8869f 100644
--- a/tests/Extensions/Abstractions.UnitTests/Activities/TimedScopeTests.cs
+++ b/tests/Extensions/Abstractions.UnitTests/Activities/TimedScopeTests.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+using System;
 using System.Diagnostics;
 using Microsoft.Omex.Extensions.Abstractions.Activities;
 using Microsoft.Omex.Extensions.Abstractions.Activities.Processing;