Fix typo

This caused the whole changelog to be monospaced.

changelog.html

@@ -59,7 +59,7 @@ Upcoming changes</a>
     NPE thrown from CLI <code>build</code> command under some circumstances.
     (<a href="https://github.com/jenkinsci/jenkins/pull/979">pull request 979</a>)
   <li class=bug>
-    Fixed a bug in the compatibility transformer (since 1.527) that causes <tt>VerifyError<//t> in Ivy plugin and possibly others.
+    Fixed a bug in the compatibility transformer (since 1.527) that causes <tt>VerifyError</tt> in Ivy plugin and possibly others.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-19383">issue 19383</a>)
   <li class=bug>
     Pass full list of all possible jobs to ViewJobFilter when recurse option is set