diff --git a/README.md b/README.md
index 7efd45c..addcc13 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # InsetsView
-** Constraint view elements to not be coverred by the android system bars (status bar, navigation bar, etc) with XML ONLY, no ANY CODE needed**
+**Constraint view elements to not be covered by the android system bars (status bar, navigation bar, etc) with XML ONLY, no ANY CODE needed**
 
 ## Screen shot
 
@@ -16,7 +16,7 @@ src="https://raw.githubusercontent.com/dtrung98/Source/master/54c689ea37c4c89a91
 </br>
 
 ## Usage
-There're several custom view groups provided in the library:
+There're several views provided in the library:
 
  #### SafeAreaView
  
@@ -28,15 +28,10 @@ Constraint other child views in the same ConstraintLayout parent to this SafeAre
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-<com.dtrung98.insetsview.view.SafeAreaView
+<com.dtrung98.insetsview.SafeAreaView
     android:id="@+id/safeArea"
-    android:layout_width="0dp"
-    android:layout_height="0dp"
-    app:layout_constraintStart_toStartOf="parent"
-    app:layout_constraintEnd_toEndOf="parent"
-    app:layout_constraintBottom_toBottomOf="parent"
-    app:layout_constraintTop_toTopOf="parent"
-    android:visibility="invisible"/>
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>
 <ImageView
     android:id="@+id/wallImageView"
     android:layout_width="0dp"