docs(bootstrap.ngdoc): clarify bootstrap example

Clear up confusion about module declaration when using manual bootstrap.

Author: CalvinFernandez

docs/content/guide/bootstrap.ngdoc

@@ -92,17 +92,17 @@ Here is an example of manually initializing Angular:
     <script src="http://code.angularjs.org/angular.js"></script>
     <script>
        angular.element(document).ready(function() {
-         angular.bootstrap(document, ['optionalModuleName']);
+         angular.module('myApp', []);
+         angular.bootstrap(document, ['myApp']);
        });
     </script>
   </body>
 </html>
 </pre>
 
 Note that we have provided the name of our application module to be loaded into the injector as the second
-parameter of the {@link api/angular.bootstrap} function. This example is equivalent to using the
-{@link api/ng.directive:ngApp ng-app} directive, with `ng-app="optionalModuleName"`, as in the automatic
-initialization example above.
+parameter of the {@link api/angular.bootstrap} function. Notice that `angular.bootstrap` will not create modules 
+on the fly. You must create any custom {@link guide/module modules} before you pass them as a parameter. 
 
 This is the sequence that your code should follow: