--- a/webaudio/specification.html	Thu Dec 13 13:15:57 2012 -0800
+++ b/webaudio/specification.html	Fri Jan 18 16:04:20 2013 +0000
@@ -1067,7 +1067,7 @@
       representing a variable delay line. The initial default delay time will
       be 0 seconds.</p>
       <p>The <dfn id="dfn-maxDelayTime">maxDelayTime</dfn> parameter is
-      optional and specifies the maximum delay time in seconds allowed for the delay line.  If specified, this value must be
+      optional and specifies the maximum delay time in seconds allowed for the delay line.  If specified, this value MUST be
       greater than zero and less than three minutes or a NOT_SUPPORTED_ERR exception will be thrown.</p>
     </dd>
 </dl>