diff --git a/src/dotnet/Telemetry.cs b/src/dotnet/Telemetry.cs
index 969bc1850..d5e31bb24 100644
--- a/src/dotnet/Telemetry.cs
+++ b/src/dotnet/Telemetry.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;