Docs tweaking around `check_object_permissions`

docs/api-guide/generic-views.md

@@ -118,6 +118,8 @@ For example:
         self.check_object_permissions(self.request, obj)
         return obj
 
+Note that if your API doesn't include any object level permissions, you may optionally exclude the ``self.check_object_permissions, and simply return the object from the `get_object_or_404` lookup.
+
 #### `get_serializer_class(self)`
 
 Returns the class that should be used for the serializer.  Defaults to returning the `serializer_class` attribute, or dynamically generating a serializer class if the `model` shortcut is being used.

docs/api-guide/permissions.md

@@ -25,7 +25,8 @@ Object level permissions are run by REST framework's generic views when `.get_ob
 As with view level permissions, an `exceptions.PermissionDenied` exception will be raised if the user is not allowed to act on the given object.
 
 If you're writing your own views and want to enforce object level permissions,
-you'll need to explicitly call the `.check_object_permissions(request, obj)` method on the view at the point at which you've retrieved the object.
+or if you override the `get_object` method on a generic view, then you'll need to explicitly call the `.check_object_permissions(request, obj)` method on the view at the point at which you've retrieved the object.
+
 This will either raise a `PermissionDenied` or `NotAuthenticated` exception, or simply return if the view has the appropriate permissions.
 
 For example: