[css-counter-styles-3] Fix markup (#11884)

Fixes #8185.

Author: cdoublev

css-counter-styles-3/Overview.bs

@@ -2053,7 +2053,7 @@ Longhand East Asian Counter Styles</h3>
 <h4 id='limited-japanese'>
 Japanese: ''japanese-informal'' and ''japanese-formal''</h4>
 
-	<dl dfn-type="value" dfn-for="<counter-style>">
+	<dl dfn-type="value" dfn-for="<counter-style-name>">
 		<dt><dfn id="japanese-informal">japanese-informal</dfn>
 		<dd>
 			Informal Japanese Kanji numbering
@@ -2770,4 +2770,4 @@ Privacy Considerations</h2>
 <h2 class="no-num" id="security">
 Security Considerations</h2>
 
-	This specification introduces no new security considerations.
+	This specification introduces no new security considerations.