[css-color-4][editorial] Update changes

Author: svgeesus

css-color-4/Overview.bs

@@ -5887,6 +5887,9 @@ Changes</h2>
 </h3>
 
 <ul>
+	<!-- to 14 Apr 2022 -->
+	<li>Made system colors fully resolve, but keep internal flag to help with forced colors mode</li>
+	<li>Removed forgiveness for incorrect number of parameters in color() function</li>
 	<!-- to 27 Feb 2022 -->
 	<li>Changed serialization of CIE Lightness and OK Lightness to number rather than percentage.</li>
 	<li>Marked deprecated system color equivalences as at-risk</li>