Fix link to Django docs (encode#7040)

Lucidiot · rpkilby · commit 5e8fe6edf0b2 · 2019-11-06T09:34:28.000-08:00
diff --git a/docs/api-guide/responses.md b/docs/api-guide/responses.md
@@ -94,5 +94,5 @@ As with any other `TemplateResponse`, this method is called to render the serial
 
 You won't typically need to call `.render()` yourself, as it's handled by Django's standard response cycle.
 
-[cite]: https://docs.djangoproject.com/en/stable/stable/template-response/
+[cite]: https://docs.djangoproject.com/en/stable/ref/template-response/
 [statuscodes]: status-codes.md
