changelog entry for [JENKINS-13822]

changelog.html

@@ -63,6 +63,9 @@ Upcoming changes</a>
 <div id="rc" style="display:none;"><!--=BEGIN=-->
 <h3><a name=v1.466>What's new in 1.466</a> <!--=DATE=--></h3>
 <ul class=image>
+  <li class=bug>
+    Maven plugin: expand variables in "Room POM" field
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-13822">issue 13822</a>)
   <li class=rfe>
     Exposed plugin manager and update center to the REST API
   <li class=rfe>