[css-ruby-1] Tweak changes list.

Author: fantasai

css-ruby-1/Overview.bs

@@ -2195,15 +2195,14 @@ Changes since the 29 April 2020 WD</h3>
 			<a href="https://github.com/w3c/csswg-drafts/issues/4976">Issue 4976</a>,
 			<a href="https://github.com/w3c/csswg-drafts/issues/4979">Issue 4979</a>)
 		<li>Rewrote [[#ruby-layout]] to more clearly define
-			[=interlinear=] and [=inter-character=] ruby layout.
+			[=interlinear=] and [=inter-character=] ruby layout
+			and their interaction with 'ruby-align'.
 			[=Inter-character ruby=] is now based on [=inline block=] layout,
 			and its interaction with [=interlinear=] ruby
 			is also now well-defined.
 			Inline-axis space distribution for [=interlinear ruby=]
-			is now more precisely defined
-			(modeled on ''grid-template-columns/max-content'' grid tracks),
-			and their block-axis layout is defined
-			to use bases’ and annotations’ margin boxes.
+			is now more precisely defined for spanning annotations
+			(modeled on ''grid-template-columns/max-content'' grid tracks).
 		<li>Defined handling of nested ruby
 			by accounting for their base and annotation containers
 			in the block-axis sizing of [=interlinear ruby=].