docs(guide/module): update HelloWorld example

Author: danrbergman

docs/content/guide/module.ngdoc

@@ -26,13 +26,13 @@ should be bootstrapped. There are several advantages to this approach:
 
 I'm in a hurry. How do I get a Hello World module working?
 
-<example ng-app-included module='myApp'>
+<example ng-app-included="true" module="myApp">
   <file name="index.html">
-  <div ng-app="myApp">
+   <div ng-app="myApp">
     <div>
-      {{ 'World' | greet }}
+     {{ 'World' | greet }}
     </div>
-  </div>
+   </div>
   </file>
 
   <file name="script.js">