[FIXED JENKINS-10647] attributing the fix to a filed ticket

changelog.html

@@ -57,6 +57,7 @@ Upcoming changes</a>
 <ul class=image>
   <li class=bug>
     Fixed a bug where SSH public key authentication for CLI wasn't working for username/password based security realm.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-10647">issue 10647</a>)
   <li class=bug>
     Disable auto refresh in slave markOffline screen
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-10608">issue 10608</a>)