Minor grammar fix

src/_includes/get-started.html

@@ -100,6 +100,6 @@
 <![endif]-->
 {% endhighlight %}
     </li>
-    <li>Go complain to whoever decided your project needs IE7 support.</li>
+    <li>Go complain to whomever decided your project needs IE7 support.</li>
   </ol>
 </section>