Update docs

docs/autocomplete.rst

@@ -5,8 +5,9 @@ Autocomplete
 By default Django JET renders all possible choices for select inputs. This behavior may be unwanted if number of
 available options is rather big. In this case Django JET allows you to load these options dynamically through AJAX.
 
-In order to achieve this functionality all you have to do is specify which model fields should be
-searchable by AJAX queries. Add this static method to your model and that's it!
+In order to achieve this functionality all you have to do is :
+
+* Specify which model fields should be searchable by AJAX queries. Add this static method to all models which you want to be searchable with AJAX:
 
 .. code:: python
 
@@ -35,7 +36,19 @@ Example from Django JET demo site:
         def autocomplete_search_fields():
             return 'name', 'city__name'
 
-Now all your admin select boxes will perform AJAX queries to load available options while you type.
+* Use custom AJAX filter class ``jet.filters.RelatedFieldAjaxListFilter`` if you have any foreign key list filters:
+
+.. code:: python
+
+    from jet.filters import RelatedFieldAjaxListFilter
+
+    class PersonAdmin(admin.ModelAdmin):
+        list_filter = (
+            ...
+            ('address', RelatedFieldAjaxListFilter),
+        )
+
+* Now all your admin select boxes will perform AJAX queries to load available options while you type.
 
 .. note::
     This work for both ForeignKey and ManyToManyField fields.