--- a/Overview.htm	Mon Dec 09 23:16:26 2013 +0900
+++ b/Overview.htm	Mon Dec 09 23:19:07 2013 +0900
@@ -428,7 +428,7 @@
 					</p>
 
 					<dl class="parameters">
-						<dt>(DOMString or ArrayBufferView or Blob) data</dt>
+						<dt>any data</dt>
 						<dd>Data to write.</dd>
 					</dl>
 				</dd>