[css-ui-3][editorial] Added missed change to Changes section

Author: SebastianZ

css-ui-3/Overview.bs

@@ -1788,6 +1788,7 @@ Changes from the <a href="https://www.w3.org/TR/2018/REC-css-ui-3-20180621/">21
 	<li>Switched relevant uses of terms \'intrinsic width/height/aspect ratio/size\' to \'natural\'
 	<li>Referred to <a>scroll containers</a> instead of 'overflow' values other than ''overflow/visible'', so ''overflow/clip'' is included
 	<li>Let computed value of 'outline-width' be [=snapped as a border width=]
+	<li>Rearranged the syntax of the 'cursor' property for better readability
 	<li>Added Web Platform Tests coverage
 	<li>Split privacy and security considerations into separate sections
 	<li>Let <css>background-*</css> and <css>border-*</css> properties refer to [[CSS-BACKGROUNDS-3]] instead of [[CSS2]]