Fixes rating example

server/documents/modules/rating.html.eco

@@ -114,7 +114,7 @@ type        : 'UI Module'
       <div class="ui ignored info message">If a metadata rating is specified it will automatically override any initial rating. This way you can set a default value but also allow it to be overridden.</div>
       <div class="ui divided list">
         <div class="item">
-          <img src="/images/demo/avatar2.jpg">
+          <img class="ui small image" src="/images/demo/avatar2.jpg">
           <div class="ui heart rating" data-rating="5">
             <i class="icon"></i>
             <i class="icon"></i>
@@ -128,7 +128,7 @@ type        : 'UI Module'
           </div>
         </div>
         <div class="item">
-          <img src="/images/demo/avatar3.jpg">
+          <img class="ui small image" src="/images/demo/avatar3.jpg">
           <div class="ui heart rating" data-rating="2">
             <i class="icon"></i>
             <i class="icon"></i>