[css-text] Fix link

Author: frivoal

css-text-3/Overview.bs

@@ -272,7 +272,7 @@ Languages and Typesetting</h3>
 	Note: Authors can declare the [=content language=]
 	using the global <code>lang</code> attribute in HTML
 	or the universal <code>xml:lang</code> attribute in XML.
-	See the <a spec=html lt=language>rules for determining the content language of an HTML element</a>
+	See the <a spec=html lt=language for="Node">rules for determining the content language of an HTML element</a>
 	in <cite>HTML</cite>,
 	and the [[XML#sec-lang-tag|rules for determining the content language of an XML element]] in <cite>XML 1.0</cite>.
 	[[HTML]]