Ajax Events: Fix space before a comma

Closes jquerygh-704

Author: ericcarraway

pages/Ajax_Events.html

@@ -33,7 +33,7 @@ <h3>Global Events</h3>
  });
 </code></pre>
 <h3>Events</h3>
-<p>This is the full list of Ajax events , and in the order in which they are triggered. The indented events are triggered for each and every Ajax request (unless a global option has been set). The ajaxStart and ajaxStop events are events that relate to all Ajax requests together.
+<p>This is the full list of Ajax events, and in the order in which they are triggered. The indented events are triggered for each and every Ajax request (unless a global option has been set). The ajaxStart and ajaxStop events are events that relate to all Ajax requests together.
 </p>
 <ul>
   <li> <b>ajaxStart</b> (Global Event)<br>This event is triggered if an Ajax request is started and no other Ajax requests are currently running.