--- a/master/concepts.html	Sun Aug 19 16:45:55 2012 +1000
+++ b/master/concepts.html	Mon Aug 20 09:54:42 2012 +1000
@@ -259,7 +259,7 @@
   formats.</dd>
 
   <dt>Referenced from a CSS or XSL property</dt>
-  <dd>When a user agent supports CSS-styled XML content [<a href="refs.html#ref-CSS2">CSS2</a>]
+  <dd>When a user agent supports CSS-styled XML content [<a href="refs.html#ref-CSS21">CSS21</a>]
   or XSL [<a href="refs.html#ref-XSL">XSL</a>] and the user agent is a <a
   href="conform.html#ConformingSVGViewers">Conforming SVG
   Viewer</a>, then that user agent must support the ability to
@@ -268,11 +268,11 @@
   to tile SVG graphics wherever necessary and the ability to
   composite the SVG into the background if it has transparent
   portions. Examples include the <a
-  href="http://www.w3.org/TR/2008/REC-CSS2-20080411/colors.html#propdef-background-image">
+  href="http://www.w3.org/TR/2011/REC-CSS2-20110607/colors.html#propdef-background-image">
   <span class="property">'background-image'</span></a> and <a
-  href="http://www.w3.org/TR/2008/REC-CSS2-20080411/generate.html#propdef-list-style-image">
+  href="http://www.w3.org/TR/2011/REC-CSS2-20110607/generate.html#propdef-list-style-image">
   <span class="property">'list-style-image'</span></a>
-  properties ([<a href="refs.html#ref-CSS2">CSS2</a>], sections 14.2.1 and 12.6.2)
+  properties ([<a href="refs.html#ref-CSS21">CSS21</a>], sections 14.2.1 and 12.5.1)
   that are included in both CSS and XSL.</dd>
 </dl>