[css-flexbox] Update link

Author: fantasai

css-flexbox/Overview.bs

@@ -3994,8 +3994,7 @@ Clarifications</h4>
 <h3 id="changes-2012">
 Changes since the 18 September 2012 Candidate Recommendation</h3>
 
-	This section documents the changes since the previous publication.
-	A <a href="http://dev.w3.org/csswg/css-flexbox-1/issues-lc-2012">Disposition of Comments</a> is also available.
+	A <a href="http://dev.w3.org/csswg/css-flexbox-1/issues-cr-2012">Disposition of Comments</a> is also available.
 
 <h4 id="changes-2014-substantive">
 Substantive Changes and Bugfixes</h4>
@@ -4421,8 +4420,6 @@ Clarifications</h4>
 			</blockquote>
 	</ul>
 
-	A <a href="http://dev.w3.org/csswg/css3-flexbox/issues-cr-2012">Disposition of Candidate Recommendation Comments</a> is available.
-
 Privacy and Security Considerations {#priv-sec}
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