[css-ui-4] Make the prose consistent with the prop-def table

Author: frivoal

css-ui-4/Overview.bs

@@ -1431,7 +1431,7 @@ Shape of the insertion caret: 'caret-shape'</h4>
 	</pre>
 
 	This property is a shorthand for setting
-	'caret-color' <!--, 'caret-animation'--> and 'caret-shape' in one declaration.
+	'caret-color', 'caret-animation', and 'caret-shape' in one declaration.
 	Omitted values are set to their initial values.
 
 	<div class=example>