diff --git a/docs/ref/utils.txt b/docs/ref/utils.txt
index 919c6d60e8..b4f96b8d2f 100644
--- a/docs/ref/utils.txt
+++ b/docs/ref/utils.txt
@@ -485,8 +485,8 @@ https://web.archive.org/web/20110718035220/http://diveintomark.org/archives/2004
         # set a value manually, that will persist on the instance until cleared
         person.friends = ["Huckleberry Finn", "Tom Sawyer"]
 
-    Because of the way the `descriptor protocol
-    <descriptor-invocation>`_ works, using ``del`` (or ``delattr``) on a
+    Because of the way the :py:ref:`descriptor protocol
+    <descriptor-invocation>` works, using ``del`` (or ``delattr``) on a
     ``cached_property`` that hasn't been accessed raises ``AttributeError``.
 
     As well as offering potential performance advantages, ``@cached_property``