Update README.md

Author: ProLoser

README.md

@@ -44,15 +44,19 @@ For now, you should create a child-directive to customize (API probably going to
 You have to build the HTML yourself:
 ```html
 <div class="ui-mention-container">
+
   <textarea ng-model="data" ui-mention my-mention></textarea>
+  
   <div class="ui-mention-highlight"></div>
+  
   <ul class="dropdown" ng-if="$mention.choices.length">
     <li ng-repeat="choice in $mention.choices"
       ng-class="{active:$mention.activeChoice==choice}"
       ng-click="$mention.select(choice)">
       {{::choice.first_name}} {{::choice.last_name}}
     </li>
   </ul>
+  
 </div>
 ```
 And the CSS: