Copy edits per inline comments

main.js

@@ -49,5 +49,5 @@ app.on('activate', function () {
   }
 });
 
-// In this file you can include the rest of your app specific main process
-// code. You can also put them in files and require them here. 
+// In this file you can include the rest of your app's specific main process
+// code. You can also put them in separate files and require them here.