diff --git a/lang/spec.html b/lang/spec.html
index 1d339f69..646d1b83 100644
--- a/lang/spec.html
+++ b/lang/spec.html
@@ -5430,6 +5430,7 @@ <h3>Summary of changes from 2019R1 to 2019R2</h3>
 <li>The status of XML-related features has been changed to preview.</li>
 <li>The ability to define a method outside the object type has been
 removed.</li>
+<li>The UnfrozenClone operation has been removed.</li>
 </ol>
 
 <h3>Summary of changes from 0.990 to 2019R1</h3>