diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 2a1e62fd162459b87ef3ca14fd92392d2dc53682..628079978e7329f15c69f67dd4d472d02d9d611b 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -124,6 +124,7 @@ following are now considered to be of production quality:
   <li>Lambda expressions</li>
   <li>Generalized initializers</li>
   <li>Unrestricted unions</li>
+  <li>User-defined literals</li>
 </ul>
 
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