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 ### Desktop versions (Windows, OS X, Linux)
 
-Copay uses NW.js (also know as node-webkit) for its desktop version. NW.js an app runtime based on `Chromium` and `node.js`.
+Copay uses NW.js (also know as node-webkit) for its desktop version. NW.js is an app runtime based on `Chromium` and `node.js`.
 
 - Install NW.js on your system from [nwjs.io](http://nwjs.io/)
 - Run `grunt desktop`