[css-text-4] Typo

Author: fantasai

css-text-4/Overview.bs

@@ -10359,7 +10359,7 @@ Changes</h2>
 		to include characters from the <code>Pe</code> and <code>Ps</code> categories.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/6091">Issue 6091</a>)
 	* Renamed <css>text-space-collapse</css> back to 'white-space-collapse'.
-		(<a href="https://github.com/w3c/browser-specs/issues/879">Issue 879</a>)
+		(<a href="https://github.com/w3c/browser-specs/issues/8273">Issue 8273</a>)
 
 	Significant changes since the <a href="https://www.w3.org/TR/2022/WD-css-text-4-20220505/">5 May 2022 Working Draft</a> include:
 	<ul>