diff --git a/changelog.html b/changelog.html
index 9f67ad35ad6b7607a8e79c00876bb74f30f28ba4..4c2056cdf31e47df279214f081b07224765e49c4 100644
--- a/changelog.html
+++ b/changelog.html
@@ -85,6 +85,9 @@ Upcoming changes</a>
   <li class=bug>
     Existing Fingerprint Action is reused and not added a second time.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-17606">issue 19832</a>)
+  <li class=bug>
+    TestObject doesn't replace '%' character
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-21707">issue 21707</a>)
 </ul>
 </div><!--=TRUNK-END=-->