--- a/touchevents.html	Thu Oct 13 02:13:50 2011 +0900
+++ b/touchevents.html	Thu Oct 13 02:41:46 2011 +0900
@@ -583,6 +583,15 @@
           finger touching a touch-screen, or an digital pen writing on a piece
           of paper.
         </dd>
+        
+        <dt><dfn>preventDefault</dfn></dt>
+        <dd>
+          If a event is cancelable, the preventDefault method is used to signify
+          that the event is to be canceled, and any default actions defined in the
+          user agent as a result of this event, or consequential events from the
+          canceled event will not occur. Calling this method on non-cancelable
+          events will have no effect.
+        </dd>        
       </dl>
     </section>