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Co-authored-by: fantasai <fantasai.bugs@inkedblade.net>

Author: schenney-chromium

css-pseudo-4/Overview.bs

@@ -697,7 +697,7 @@ Styling Highlights</h3>
     css/css-pseudo/textpath-selection-011.html
     </wpt>
 
-    <li>A [=custom property=] may be defined and/or used inside a highlight pseudo-element.
+    <li>[=custom properties=] [[!CSS-VARIABLES-1]]
   </ul>
 
   The 'forced-color-adjust' property cannot be set on [=highlight pseudo-elements=];