diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 9e20e5db3..1cf9dd6b1 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -79,6 +79,9 @@
     <action issue="COLLECTIONS-796" type="fix" dev="kinow" due-to="Clemens Kurz">
       SetUniqueList.createSetBasedOnList doesn't add list elements to return value.
     </action>
+    <action issue="COLLECTIONS-799" type="fix" dev="kinow" due-to="Stefano Cordio">
+      UnmodifiableNavigableSet can be modified by pollFirst() and pollLast().
+    </action>
     <!-- ADD -->
     <action issue="COLLECTIONS-760" dev="kinow" type="add" due-to="Isira Seneviratne">
       Add tests for MapUtils.