[css-contain-2] Fix applicability of content-visibility

Closes w3c#7658

Author: frivoal

css-contain-2/Overview.bs

@@ -1255,7 +1255,7 @@ Suppressing An Element's Contents Entirely: the 'content-visibility' property {#
 	Value: visible | auto | hidden
 	Initial: visible
 	Inherited: no
-	Applies to: elements for which [=layout containment=] can apply
+	Applies to: elements for which [=size containment=] can apply
 	Animation type: not animatable
 	</pre>
 
@@ -2064,6 +2064,12 @@ Security Considerations</h2>
 
 This appendix is <em>informative</em>.
 
+<h3 id="changes-since-2022-09-17">
+Changes from <a href="https://www.w3.org/TR/2022/WD-css-contain-2-20220917/">2022-09-17 Working Draft</a>
+</h3>
+
+* 'content-visibility' applies to the same properties as [=size containment=] rather than [=layout containment=]
+
 <h3 id="changes-since-2020-12-16">
 Changes from <a href="https://www.w3.org/TR/2020/WD-css-contain-2-20201216/">2020-12-16 Working Draft</a>
 </h3>