prerequisites npm v3

Author: fabiantheblind

README.md

@@ -13,9 +13,10 @@ Extendscriptr doesn't use an existing full-stack polyfills like `babel-polyfill`
 
 ## Prerequisites  
 
-This tool currently needs Node.js version 5.x or higher  
+This tool currently needs npm version 3.x or higher due to the flattend folder strcture. 
+
+## Usage  
 
-## Usage
 We recommend using it as a local dependency 
 
 - `npm install extendscriptr --save-dev`