Fix wrong doc link in form_types.rst
@@ -98,7 +98,7 @@ btn_add, btn_list, btn_delete and btn_catalogue:
.. note::
- If you need to use a sortable ``sonata_type_model`` check the :doc:`recipe_sortable_sonata_type_model` page.
+ If you need to use a sortable ``sonata_type_model`` check the :doc:`../cookbook/recipe_sortable_sonata_type_model` page.
sonata_type_model_hidden
^^^^^^^^^^^^^^^^^^^^^^^^