more changes updates

Author: svgeesus

css-color-4/Overview.bs

@@ -2693,6 +2693,9 @@ Changes</h2>
 
 <ul>
 	<li>Removed confusing gray() function per CSS WG resolution</li>
+	<li>Collect scattered definitions into new
+		<a href="#terminology">Color terminology</a> section</li>
+	</li>
 	<li>Minor editorial clarifications, bikeshed markup fixes</li>
 </ul>