Update css-cascade-4/Overview.bs

Co-authored-by: Tab Atkins Jr. <jackalmage@gmail.com>

Author: noamr

css-cascade-4/Overview.bs

@@ -276,8 +276,11 @@ Processing Stylesheet Imports</h3>
 			|parentStylesheet|'s <a spec=cssom>location</a>. If the algorithm returns an error,
 			return. [[CSSOM]]
 
-		1. [=Fetch a style resource=] |parsedUrl|, with |parentStylesheet|, "style", "no-cors",
-		    and the following steps given [=/response=] |response|:
+		1. [=Fetch a style resource=] from |parsedUrl|, 
+			with stylesheet |parentStylesheet|, 
+			destination "style", 
+			CORS mode "no-cors",
+			and processResponse being the following steps given [=/response=] |response|:
 
 			1. If |response| is a [=network error=] or its [=response/status=] is not an
 				[=ok status=], return.