typo

Author: svgeesus

css-fonts-4/Overview.bs

@@ -7563,7 +7563,7 @@ Changes from the <a	href="https://www.w3.org/TR/2018/WD-css-fonts-4-20180410/">1
 	<a href="https://www.w3.org/TR/2018/REC-css-fonts-3-20180920/">CSS Fonts 3 Recommendation</a>
 </h3>
 
-This summarizes the changes in CSS Fonts 4, compared to CS Fonts 3.
+This summarizes the changes in CSS Fonts 4, compared to CSS Fonts 3.
 <!--
 	to 13 Dec 2021 see
 	https://github.com/w3c/csswg-drafts/issues/6882