Consistently use 'issue' instead of 'JENKINS'

changelog.html

@@ -56,7 +56,8 @@ Upcoming changes</a>
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
   <li class=bug>
-      Fix error message "Failed to listen to incoming slave connection" after fixing port through init.groovy.d (<a href="https://issues.jenkins-ci.org/browse/JENKINS-29798">JENKINS-29798</a>)
+      Fix error message "Failed to listen to incoming slave connection" after fixing port through init.groovy.d.
+      (<a href="https://issues.jenkins-ci.org/browse/JENKINS-29798">issue 29798</a>)
   <li class=>
 </ul>
 </div><!--=TRUNK-END=-->
@@ -64,13 +65,13 @@ Upcoming changes</a>
 <ul class=image>
   <li class="major bug">
     Fixed a deadlock between the old data monitor and authorization strategies.
-    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-29936">JENKINS-29936</a>)
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-29936">issue 29936</a>)
   <li class="rfe">
     Allow rejecting configurations with errors in critical fields via REST / CLI.
-    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-28440">JENKINS-28440</a>)
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-28440">issue 28440</a>)
   <li class="bug">
     Do not display <em>No changes</em> if changelog is still being computed.
-    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-2327">JENKINS-2327</a>)
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-2327">issue 2327</a>)
 </ul>
 <h3><a name=v1.624>What's new in 1.624</a> (2015/08/09)</h3>
 <ul class=image>