correct notes on isue 245

Author: fantasai

css2-src/issues-lc-2011.html

@@ -444,7 +444,8 @@ <h1>Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Disposition of Comments<
 From:       Peter Moulder
 Comment:    <a href="http://lists.w3.org/Archives/Public/www-style/2010Nov/0083.html">http://lists.w3.org/Archives/Public/www-style/2010Nov/0083.html</a>
 Response:   <a href="http://lists.w3.org/Archives/Public/www-style/2011Mar/0362.html">http://lists.w3.org/Archives/Public/www-style/2011Mar/0362.html</a>
-Note:       Rendering tree not defined in CSS2.1, deferred to future version.
+Notes:      Full revision of z-index chapter deferred to future version.
+            See also <a href="http://wiki.csswg.org/spec/css2.1#issue-60">CSS2.1 Issue 60</a>
 Closed:     Rejected
 </pre>
 <pre class="a" id="issue-246">