Fix nodejs website URL

Author: oradwell

README.md

@@ -22,7 +22,7 @@ Modified version of HTML5 UP Aerial Template
 
 ### Make sure you have npm
 
-npm comes with Node.js. Go to [nodejs.org](https://www.nodejs.org) to download it.
+npm comes with Node.js. Go to [nodejs.org](https://nodejs.org) to download it.
 
 ### Install the dependencies