Merge pull request #22 from github/docs-fix-typo-in-example

docs: fix typo in example

Author: keithamus

docs/index.html

@@ -37,7 +37,7 @@ <h1 class="h000-mktg mt-6 mr-6">Catalyse your Web Components</h1>
 
   <span data-target="hello-controller.output">
   </span>
-</div> 
+</hello-controller> 
         {% endhighlight %}
       </div>
       <div class="">