[css-cascade] scoping commentary scoped to L4..

Author: fantasai

css-cascade-3/Overview.bs

@@ -629,7 +629,6 @@ Filtering</h2>
 
 		<li>
 			It belongs to a style rule whose selector matches the element. [[!SELECT]]
-			(Taking <a href="https://www.w3.org/TR/selectors4/#scoping">scoping</a> into account, if necessary.)
 
 		<li>
 			It is syntactically valid:

css-cascade-4/Overview.bs

@@ -739,7 +739,7 @@ Filtering</h2>
 
 		<li>
 			It belongs to a style rule whose selector matches the element. [[!SELECT]]
-			(Taking <a href="https://www.w3.org/TR/selectors4/#scoping">scoping</a> into account, if necessary.)
+			(Taking <a href="https://www.w3.org/TR/selectors-4/#scoping">scoping</a> into account, if necessary.)
 
 		<li>
 			It is syntactically valid: