Fixed a referenced to the predefined counter styles section.

Author: tabatkins

css3-lists/Overview.src.html

@@ -2378,7 +2378,8 @@ <h3 id='glyph-counters'>
 	describe generally how they should look and leaving it up to the UA to decide how
 	to render the markers.</p>
 
-	<p>Appendix A gives normative definitions for these styles, but UAs may instead 
+	<p>The <a href='#ua-stylesheet'>Predefined Counter Styles</a> section 
+	gives normative definitions for these styles, but UAs may instead 
 	default to rendering these styles using a browser-generated image matching the
 	description below.  This only describes the rendering of the default counter styles
 	associated with these names - if an author or user creates their own counter style