diff --git a/rest_framework/response.py b/rest_framework/response.py
index 4d1a1311f..f8ad59020 100644
--- a/rest_framework/response.py
+++ b/rest_framework/response.py
@@ -14,6 +14,8 @@ class Response(SimpleTemplateResponse):
     An HttpResponse that allows its data to be rendered into
     arbitrary media types.
     """
+    #SimpleTemplateResponse use this property in __getstate__ to remove attrs
+    #from being pickled so we inherit and use it as well
     rendering_attrs = SimpleTemplateResponse.rendering_attrs + \
         ['accepted_renderer', 'renderer_context', 'data']