[css-inline-3][editorial] Tweak changes list.

Author: fantasai

css-inline-3/Overview.bs

@@ -3059,9 +3059,10 @@ Changes</h2>
 	Changes since the
 	<a href="https://www.w3.org/TR/2023/WD-css-inline-3-20230401/">1 April 2023 Working Draft</a>:
 	<ul>
-		<li>Split 'text-box-edge' into two properties:
+		<li>Split 'text-box-edge' into two properties--
 			'text-box-edge' for controlling the 'text-box-trim' edge
-			and 'line-fit-edge' for controlling line box sizing.
+			and 'line-fit-edge' for controlling line box sizing--
+			and added the 'text-box' [=shorthand=].
 			(Issues <a href="https://github.com/w3c/csswg-drafts/issues/8829">8829</a>
 			and <a href="https://github.com/w3c/csswg-drafts/issues/8696">8696</a>)
 		<li>Use the innermost trim edge for 'text-box-trim'