[css-contain-2][css-contain-3][editorial] Fixed Bikeshed issues

Author: SebastianZ

css-contain-2/Overview.bs

@@ -43,6 +43,7 @@ spec:css-sizing-3;
 	type:property;
 		text:width
 		text:height
+spec:html; type:element; text:body
 </pre>
 
 <h2 id='intro'>
@@ -2011,7 +2012,7 @@ Suppressing An Element's Contents Entirely: the 'content-visibility' property {#
 		To <dfn export>update content relevancy for a document</dfn> given a document <var>doc</var>, and a boolean <var>updateNonInitial</var>:
 
 		1. Let <var>changed</var> be false.
-		1. For each <var>element</var> [=connected=] to doc with ''auto'' used value of ''content-visibility'':
+		1. For each <var>element</var> [=connected=] to <var>doc</var> with ''auto'' used value of ''content-visibility'':
 			1. If <var>updateNonInitial</var> is true:
 				1. If [=update currently relevant to the user=] for <var>element</var> returns true.
 					1. Set <var>changed</var> to true.

css-contain-3/Overview.bs

@@ -22,8 +22,12 @@ Abstract:
 	this document is now empty.
 	It may be revived at a later point,
 	when Level 2 stabilizes.
+Ignore MDN Failure: style-container
 </pre>
 
+<pre class=link-defaults>
+spec:css-conditional-5; type:dfn; text:style feature
+</pre>
 
 Privacy Considerations {#privacy}
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