hixie: consistency (whatwg r6074)

hixie: consistency (whatwg r6074)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.4877&r2=1.4878&f=h
http://html5.org/tools/web-apps-tracker?from=6073&to=6074

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.4877
retrieving revision 1.4878
diff -u -d -r1.4877 -r1.4878
--- Overview.html	4 May 2011 23:42:43 -0000	1.4877
+++ Overview.html	4 May 2011 23:54:43 -0000	1.4878
@@ -50108,7 +50108,7 @@
   <p>The arguments to the methods have the following meanings and
   corresponding implementation requirements:</p>
 
-  <dl><dt><var title="">protocol</var> (<code title="dom-navigator-registerProtocolHandler"><a href="#dom-navigator-registerprotocolhandler">registerProtocolHandler()</a></code> only)</dt>
+  <dl><dt><var title="">scheme</var> (<code title="dom-navigator-registerProtocolHandler"><a href="#dom-navigator-registerprotocolhandler">registerProtocolHandler()</a></code> only)</dt>
 
    <dd>