diff --git a/docs/ant2/features.html b/docs/ant2/features.html
index 5cca2568d..4762b58ba 100644
--- a/docs/ant2/features.html
+++ b/docs/ant2/features.html
@@ -163,6 +163,9 @@
       not guarantee this behavior but will allow build file writers to
       specify the order explicitly.</li>
 
+      <li>Dereferencing a non existent property a via ${a} will result
+      in a build failure.</li>
+
     </ul>
 
     <h2>Support Integration of Ant Into Other Tools</h2>