[css-lists-3] Adjust confusing wording. Turn the statement into a note while we're at it. <https://lists.w3.org/Archives/Public/www-style/2011Dec/0208.html>

Author: fantasai

css-lists-3/Overview.bs

@@ -1045,10 +1045,10 @@ Counters in elements that do not generate boxes</h3>
 		</pre>
 	</div>
 
-	Other methods of “hiding” elements,
+	Note: Other methods of “hiding” elements,
 	such as setting 'visibility' to ''visibility/hidden'',
 	still cause the element to generate a box,
-	and so do not apply here.
+	and so are not excepted here.
 
 	Whether a [=replaced element’s=] descendants
 	(such as HTML <{option}>,