diff --git a/docs/releasenotes/2.3.1.rst b/docs/releasenotes/2.3.1.rst
index 6bf65f5c7..cad00aa41 100644
--- a/docs/releasenotes/2.3.1.rst
+++ b/docs/releasenotes/2.3.1.rst
@@ -9,4 +9,5 @@ Fix CVE-2014-1932, CVE-2014-1933
 
 .. note:: More information about these vulnerabilities included in database records :cve:`2014-1932`, :cve:`2014-1933`
 
-Fix insecure use of tempfile.mktemp as reported in `Debian bug #737059 <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737059>`_.
+Fix insecure use of :py:func:`tempfile.mktemp` as reported in
+`Debian bug #737059 <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737059>`_.