diff --git a/docs/releases/1.6.5.txt b/docs/releases/1.6.5.txt
index 891a688030..674e3d2ee9 100644
--- a/docs/releases/1.6.5.txt
+++ b/docs/releases/1.6.5.txt
@@ -17,3 +17,7 @@ Bugfixes
 
 * Fixed the SQL generated when filtering by a negated ``Q`` object that contains
   a ``F`` object. (`#22429 <http://code.djangoproject.com/ticket/22429>`_).
+
+* Avoided overwriting data fetched by ``select_related()`` in certain cases
+  which could cause minor performance regressions
+  (`#22508 <http://code.djangoproject.com/ticket/22508>`_).