[css-animations-2] Fix markup

Author: fantasai

css-animations-2/Overview.bs

@@ -27,7 +27,6 @@ ED: https://drafts.csswg.org/css-animations-2/
 TR: https://www.w3.org/TR/css-animations-2/
 Editor: L. David Baron, Google https://www.google.com/, https://dbaron.org/, w3cid 15393
 Editor: Brian Birtles, Invited Expert, brian@birchill.co.jp, w3cid 43194
-!Issues List: https://github.com/w3c/csswg-drafts/labels/css-animations-2
 <!-- !Issues List: <a href="https://www.w3.org/Bugs/Public/buglist.cgi?component=Animations&list_id=36653&product=CSS&query_format=advanced&resolution=---">In Bugzilla</a> -->
 
 Abstract: This CSS module describes a way for authors to animate the values of CSS properties over time, using keyframes. The behavior of these keyframe animations can be controlled by specifying their duration, number of repeats, and repeating behavior.
@@ -908,7 +907,7 @@ console.log(anim.playState); // Should be 'running'.
 
 <h2 id="changes">Changes</h2>
 
-<h3 id="changes-recent">Recent Changes</3h>
+<h3 id="changes-recent">Recent Changes</h3>
 
 <p>Changes since the <a href="https://www.w3.org/TR/2023/WD-css-animations-2-20230302/">2 March 2023 Working Draft</a> include: