[selectors-4] Post-publication metadata update

Author: fantasai

selectors-4/Overview.bs

@@ -7,6 +7,7 @@ Status: ED
 Work Status: Refining
 ED: https://drafts.csswg.org/selectors/
 TR: https://www.w3.org/TR/selectors-4/
+Previous Version: https://www.w3.org/TR/2018/WD-selectors-4-20180202/
 Previous Version: https://www.w3.org/TR/2018/WD-selectors-4-20180201/
 Previous Version: https://www.w3.org/TR/2013/WD-selectors4-20130502/
 Previous Version: https://www.w3.org/TR/2012/WD-selectors4-20120823/
@@ -3904,7 +3905,7 @@ Changes since the 2 February 2018 Working Draft</h3>
 		(<a href="https://github.com/w3c/csswg-drafts/issues/1967">Issue 1967</a>)
 		<li>Redefined '':blank'' to represent empty user input, rather than empty elements.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/1283">Issue 1283</a>)
-		<li>Changed the specificity of '':is()'', '':where()'', and '':nth-child()''
+		<li>Changed the specificity of '':is()'', '':has()'', and '':nth-child()''
 		to not depend on which selector argument matched.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/1027">Issue 1027</a>)
 		<li>Dropped the '':drop()'' pseudo-classes since HTML dropped the related feature.