rails 3.1 and designs (with bug)

app/views/admin/items/index.html.erb

@@ -1,3 +1,4 @@
+
 <% content_for :sidebar do %>
 	<%= render 'admin/items/site_map_left_bar' %>
 <% end -%>
@@ -21,4 +22,4 @@
 		}
 	</style> -->
 <% end %>
-<%= render "admin/#{@item._type.downcase.pluralize}/show" %>
+<%= render "admin/#{@item._type.downcase.pluralize}/show" %>