[cssom-view] Fix prose for 'change' event for MediaQueryList

Fixes w3c#681.

Author: zcorpan

cssom-view/Overview.bs

@@ -59,7 +59,6 @@ urlPrefix: https://dom.spec.whatwg.org/#
         text: context object
 urlPrefix: https://dom.spec.whatwg.org/#concept-
     type: dfn
-        text: dispatch; url: event-dispatch
         text: event
         text: event listener
         text: quirks mode; url: document-quirks
@@ -751,8 +750,8 @@ When asked to <dfn>evaluate media queries and report changes</dfn> for a {{Docum
   <ol>
 
    <li>If <var>target</var>'s <a>matches state</a> has changed since the last time these steps were run,
-   <a>dispatch</a> a new <a>event</a> to <var>target</var>
-   using the {{MediaQueryList}} interface,
+   <a>fire an event</a> at <var>target</var>
+   using the {{MediaQueryListEvent}} constructor,
    with its {{Event/type}} attribute initialized to <a event>change</a>,
    its {{Event/isTrusted}} attribute initialized to true,
    its {{MediaQueryList/media}} attribute initialized to <var>target</var>'s <a>media</a>,