diff --git a/app/views/management/object_types/index.html.erb b/app/views/management/object_types/index.html.erb
index 4f43721c78d17e96c6da59ae8aa86a44a54bd9b2..4b57a1e91240f225c4d792fe49814d503cc8bd05 100644
--- a/app/views/management/object_types/index.html.erb
+++ b/app/views/management/object_types/index.html.erb
@@ -4,7 +4,12 @@
   <thead>
   <tr>
     <th>Nome</th>
-    <th>MimeTypes</th>
+    <th>
+      Extensões&nbsp
+      <a style="text-decoration: none;" href="#" data-toggle="popover" title="Informação" data-trigger="hover" data-content="Tipos de objetos sem extensões aceitam todos os tipos de mimetypes">
+        <i class="ls-ico-info"></i>
+      </a>
+    </th>
     <th></th>
     <th></th>
   </tr>
@@ -25,6 +30,11 @@
   <% end %>
   </tbody>
 </table>
+<script>
+  $(document).ready(function(){
+    $('[data-toggle="popover"]').popover();
+  });
+</script>