Ok for Add Modify Delete categories, next location

src/templates/common/delete_form.tpl

@@ -1,6 +1,5 @@
-{form_errors}
-
 <form method="post" action="{$self_url}" data-focus="1">
+  {form_errors}
   <fieldset>
 	   <legend>{$legend}</legend>
 	    <h3 class="warning">{$warning}</h3>
@@ -9,5 +8,6 @@
 	<p class="submit">
 		{csrf_field key=$csrf_key}
 		{button type="submit" name="delete" label="Supprimer" shape="delete" class="main"}
+    {linkbutton label="Annuler" shape="export" href=$cancel_link}
 	</p>
 </form>