diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 8981f80..75d454b 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -5,7 +5,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="com.amaze.filepreloaderlibrary.MainActivity">
+    tools:context="com.amaze.filepreloaderlibrary.sampleapp.MainActivity">
 
     <ListView
         android:id="@+id/filelist"
@@ -54,6 +54,7 @@
         android:layout_height="wrap_content"
         android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
         android:onClick="onCleanUpClick"
         android:text="CLEAN"
         app:layout_constraintBottom_toBottomOf="parent"