s isn't a var

Author: tabatkins

selectors-4/Overview.bs

@@ -24,7 +24,7 @@ Abstract: Selectors Level 4 describes the selectors that already exist in [[!SEL
 At Risk: the column combinator
 At Risk: the '':read-write'' pseudo-class
 Ignored Terms: function token, Document, DocumentFragment, math, h1, shadow tree, querySelector(), quirks mode, button, a, span, object, p, div, q, area, link, label, input, html, em, li, ol, pre, CSS Value Definition Syntax
-Ignored Vars: identifier, extended filtering, i, s
+Ignored Vars: identifier, extended filtering, i
 </pre>
 <pre class=link-defaults>
 spec:css-syntax-3; type:dfn; text:identifier