Record security fixes

changelog.html

@@ -82,6 +82,9 @@ Upcoming changes</a>
 </div><!--=END=-->
 <h3><a name=v1.551>What's new in 1.551</a> (2014/02/14)</h3>
 <ul class=image>
+  <li class='major bug'>
+    Valentine's day security release that contains more than a dozen security fixes.
+    (<a href="https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14">security advisory</a>)
   <li class='major bug'>
     Regression in Windows slaves since 1.547.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-21373">issue 21373</a>)