diff --git a/index.html b/index.html
index ddd5392..4f6acf5 100644
--- a/index.html
+++ b/index.html
@@ -1093,6 +1093,12 @@ <h2>
               the <a>pool of messages</a> for the given <i>type</i>. Otherwise,
               it MUST return false.
             </dd>
+            <dt>
+              void flushPendingMessages(DOMString type)
+            </dt>
+            <dd>
+              The method MUST remove all messages pending in the <a>pool of messages</a> for the given <i>type</i>.
+            </dd>
           </dl>
         </section>
       </section>