Replicate edits into multicol-2

Author: kbabbitt

css-multicol-2/Overview.bs

@@ -1315,7 +1315,7 @@ without caring about the <em>contents</em>.
 	parsing/column-rule-style-invalid.html
 	</wpt>
 
-	The ''border-style/none'' and ''hidden'' values force the computed value of 'column-rule-width' to be ''0''.
+	The ''border-style/none'' and ''hidden'' values force the used value of 'column-rule-width' to be ''0''.
 
 <h3 id='crw'>The Width Of Column Rules: the 'column-rule-width' property</h3>
 
@@ -1326,7 +1326,7 @@ without caring about the <em>contents</em>.
 	Applies to: multicol containers
 	Inherited: no
 	Percentages: N/A
-	Computed value: absolute length, [=snapped as a border width=]; ''0'' if the column rule style is ''border-style/none'' or ''hidden''
+	Computed value: absolute length, [=snapped as a border width=]
 	Animation type: by computed value type
 	</pre>