Reference JENKINS-23840 for #1315

changelog.html

@@ -94,7 +94,8 @@ Upcoming changes</a>
 <ul class=image>
   <li class="rfe">
     UI redesign: Use Helvetica as default font
-    (<a href="https://github.com/jenkinsci/jenkins/pull/1315">pull 1315</a>)
+    (<a href="https://github.com/jenkinsci/jenkins/pull/1315">pull 1315</a>, 
+    <a href="https://issues.jenkins-ci.org/browse/JENKINS-23840">issue 23840</a>)
   <li class="bug">
     Synchronization issue during tool installation
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-17667">issue 17667</a>)