diff --git a/README.md b/README.md
index 51b4640..a6ec574 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Create new app and build for android / ios
     cd hello-world
     cordova platform add android
     cordova platform add ios
+    cordova plugin add org.apache.cordova.device
     cordova build
 
 
@@ -91,4 +92,4 @@ the following doesn't work on mobile:
     <script src="//cdn.firebase.com/v0/firebase.js"></script>
     <script src="//cdn.firebase.com/libs/angularfire/0.3.0/angularfire.min.js"></script>
     
-    
\ No newline at end of file
+