[css-lists-3] Fix linking errors.

Author: fantasai

css-lists-3/Overview.bs

@@ -656,7 +656,7 @@ Automatic Numbering With Counters</h2>
 	Counters are referred to in CSS syntax
 	using the <dfn><<counter-name>></dfn> type,
 	which represents their name as a <<custom-ident>>.
-	A <<counter-name>> name cannot match the keyword ''none'';
+	A <<counter-name>> name cannot match the keyword ''counter-reset/none'';
 	such an identifier is [=invalid=] as a <<counter-name>>.
 
 	Resolving [=counter=] values on a given element is a multi-step process:
@@ -1459,7 +1459,7 @@ Acknowledgments</h2>
 
 This section documents the changes since previous publications.
 
-<h3 id="changes-20140320">Changes since the 25 April 2019 WD</h3>
+<h3 id="changes-20190425">Changes since the 25 April 2019 WD</h3>
 
 	<ul>
 		<li>Rewrite the [[#auto-numbering]] section for better precision, editorial clarity, and synchronization with CSS2.