diff --git a/AndroidTestingBlueprint-kotlinApp/app/src/main/res/layout/activity_hello_testing_blueprint.xml b/AndroidTestingBlueprint-kotlinApp/app/src/main/res/layout/activity_hello_testing_blueprint.xml
index af30369..bb43814 100644
--- a/AndroidTestingBlueprint-kotlinApp/app/src/main/res/layout/activity_hello_testing_blueprint.xml
+++ b/AndroidTestingBlueprint-kotlinApp/app/src/main/res/layout/activity_hello_testing_blueprint.xml
@@ -21,7 +21,7 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:orientation="vertical"
-    tools:context=".HelloTestActivity">
+    tools:context=".HelloTestingBlueprintActivity">
 
     <Button android:id="@+id/btn_hello_android_testing"
         android:layout_width="wrap_content"
diff --git a/AndroidTestingBlueprint/app/src/main/res/layout/activity_hello_testing_blueprint.xml b/AndroidTestingBlueprint/app/src/main/res/layout/activity_hello_testing_blueprint.xml
index c3aaefd..d1def8a 100644
--- a/AndroidTestingBlueprint/app/src/main/res/layout/activity_hello_testing_blueprint.xml
+++ b/AndroidTestingBlueprint/app/src/main/res/layout/activity_hello_testing_blueprint.xml
@@ -21,7 +21,7 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:orientation="vertical"
-    tools:context=".HelloTestActivity">
+    tools:context=".HelloTestingBlueprintActivity">
 
     <Button android:id="@+id/btn_hello_android_testing"
         android:layout_width="wrap_content"