diff --git a/kotlin/usecases/cognito_flutter_mobile_app/android/app/src/main/kotlin/com/example/android-app/MainActivity.kt b/kotlin/usecases/cognito_flutter_mobile_app/android/app/src/main/kotlin/com/example/android-app/MainActivity.kt
index cd36244b6de..536cca4cd8f 100644
--- a/kotlin/usecases/cognito_flutter_mobile_app/android/app/src/main/kotlin/com/example/android-app/MainActivity.kt
+++ b/kotlin/usecases/cognito_flutter_mobile_app/android/app/src/main/kotlin/com/example/android-app/MainActivity.kt
@@ -1,6 +1,7 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
+// MainActivity.kt
 package com.example.android-app
 
 import io.flutter.embedding.android.FlutterActivity