diff --git a/src/Calculator/Common/AppLifecycleLogger.cs b/src/Calculator/Common/AppLifecycleLogger.cs
index c3bb2554..dff96f33 100644
--- a/src/Calculator/Common/AppLifecycleLogger.cs
+++ b/src/Calculator/Common/AppLifecycleLogger.cs
@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
 using System;