[css-syntax] Add to the changes list.

Author: tabatkins

css-syntax/Overview.bs

@@ -3417,8 +3417,8 @@ Changes Since the 20 Feb 2014 CR Publication</h2>
 			where it didn't consume the quote character starting a string before attempting to consume the string.
 
 		<li>
-			Fixed a bug in the "Parse a component value" algorithm,
-			where it failed to trim whitespace from the end of the value.
+			Fixed a bug in several of the parser algorithms
+			related to the current/next input token and things getting consumed early/late.
 	</ul>
 
 	The following editorial changes were made:

css-syntax/Overview.html

@@ -4897,8 +4897,8 @@ <h2 class="no-num heading settled heading" id=changes><span class=content>
 			where it didn’t consume the quote character starting a string before attempting to consume the string.
 
 		<li>
-			Fixed a bug in the "Parse a component value" algorithm,
-			where it failed to trim whitespace from the end of the value.
+			Fixed a bug in several of the parser algorithms
+			related to the current/next input token and things getting consumed early/late.
 	</ul>
 
 <p>	The following editorial changes were made: