Fix spacing

Author: ebidel

demo.html

@@ -27,7 +27,7 @@
   </script>
 
   <google-api-loader id="shortener" name="urlshortener"
-                       version="v1"></google-api-loader>
+                     version="v1"></google-api-loader>
   <script>
     var shortener = document.getElementById('shortener');
     shortener.addEventListener('google-api-load', function(event) {