fix function name

Resources/views/CRUD/edit_array.twig

@@ -11,4 +11,4 @@ file that was distributed with this source code.
 
 {% extends 'Sonata/BaseApplicationBundle:CRUD:base_edit_field.twig' %}
 
-{% block field %}{{ form_fiel(field_element, {'class' : 'title'}) }}{% endblock %}
+{% block field %}{{ form_field(field_element, {'class' : 'title'}) }}{% endblock %}