[css-text-decor-4] Line-throughs are always continuous.

Author: fantasai

css-text-decor-4/Overview.bs

@@ -952,7 +952,7 @@ Text Decoration Line Continuity: the 'text-decoration-skip-ink' property</h4>
 	</div>
 
 	This property only applies to overlines and underlines;
-	line-throughs are unaffected.
+	line-throughs are always continuous.
 
 	<dl>
 		<dt><dfn value for="text-decoration-skip-ink">auto</dfn></dt>