[css-round-display] Change Status of ED

Author: jihyerish

css-round-display/Overview.bs

@@ -1,7 +1,7 @@
 <h1>CSS Round Display Level 1</h1>
 <pre class='metadata'>
 Level: 1
-Status: WD
+Status: ED
 Work Status: Exploring
 ED: https://drafts.csswg.org/css-round-display/
 Shortname: css-round-display