message: clarify that redact === delete
diff: @@ -55,7 +55,7 @@ export default React.createClass({
  title={title}
  >
  <div className="mx_Dialog_content">
  - Are you sure you wish to redact this event?
  + Are you sure you wish to redact (delete) this event?
  Note that if you redact a room name or topic change, it could undo the change.
  </div>
  <div className="mx_Dialog_buttons">
  