[css-view-transitions-1][editorial] Fixed Bikeshed issue

Author: SebastianZ

css-view-transitions-1/Overview.bs

@@ -1999,6 +1999,7 @@ This appendix is <em>informative</em>.
 
 <h3 id="changes-since-2024-03-28">
 Changes from <a href="https://www.w3.org/TR/2024/CRD-css-view-transitions-1-20240328/">2024-03-28 Candidate Recommendation Draft</a>
+</h3>
 * Always flush the queue of update callbacks before capturing the old state. See <a href="https://github.com/w3c/csswg-drafts/issues/11292">issue 11922</a>.
 * Disallow <css>match-element</css> as a custom-ident. See <a href="https://github.com/w3c/csswg-drafts/issues/10995">Issue 10995</a>.
 * Add a non-normative note to explain that ''::view-transition-image-pair()'' would typically not need custom styling. See <a href="https://github.com/w3c/csswg-drafts/issues/11926#issuecomment-2916977161">issue 11926</a>