Corrects a typo where onaudioprocess was called onprocessaudio.
--- a/webaudio/specification.html	Tue Jul 16 12:13:55 2013 -0700
+++ b/webaudio/specification.html	Fri Aug 23 17:52:36 2013 +0200
@@ -2448,7 +2448,7 @@
 <dl>
   <dt id="dfn-bufferSize_ScriptProcessorNode"><code>bufferSize</code></dt>
     <dd><p>The size of the buffer (in sample-frames) which needs to be
-      processed each time <code>onprocessaudio</code> is called. Legal values
+      processed each time <code>onaudioprocess</code> is called. Legal values
       are (256, 512, 1024, 2048, 4096, 8192, 16384). </p>
     </dd>
 </dl>