Merge pull request #1125 from gkapkowski/patch-1

Match docs to current code.

docs/api-guide/filtering.md

@@ -195,9 +195,9 @@ For more details on using filter sets see the [django-filter documentation][djan
 
 ## SearchFilter
 
-The `SearchFilterBackend` class supports simple single query parameter based searching, and is based on the [Django admin's search functionality][search-django-admin].
+The `SearchFilter` class supports simple single query parameter based searching, and is based on the [Django admin's search functionality][search-django-admin].
 
-The `SearchFilterBackend` class will only be applied if the view has a `search_fields` attribute set.  The `search_fields` attribute should be a list of names of text type fields on the model, such as `CharField` or `TextField`.
+The `SearchFilter` class will only be applied if the view has a `search_fields` attribute set.  The `search_fields` attribute should be a list of names of text type fields on the model, such as `CharField` or `TextField`.
 
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()