Linked to prefetch_related_objects func in DB optimization docs.

docs/topics/db/optimization.txt

@@ -195,12 +195,13 @@ Understand :meth:`~django.db.models.query.QuerySet.select_related` and
 :meth:`~django.db.models.query.QuerySet.prefetch_related` thoroughly, and use
 them:
 
-* in view code,
-
-* and in :doc:`managers and default managers </topics/db/managers>` where
+* in :doc:`managers and default managers </topics/db/managers>` where
   appropriate. Be aware when your manager is and is not used; sometimes this is
   tricky so don't make assumptions.
 
+* in view code or other layers, possibly making use of
+  :func:`~django.db.models.prefetch_related_objects` where needed.
+
 Don't retrieve things you don't need
 ====================================