message: update wording and style it like text (text cursor)
diff: @@ -88,8 +88,9 @@ module.exports = React.createClass({
  }
  } else {
  previewsForAccount = (
  - _t("URL Previews default to off in End-to-End Encrypted rooms to protect your privacy. " +
  - "They are requested through your homeserver which could infer links which are otherwise encrypted")
  + _t("In encrypted rooms, like this one, URL previews are disabled by default to ensure that your " +
  + "homeserver (where the previews are generated) cannot gather information about links you see in " +
  + "this room.")
  );
  }
  @@ -105,8 +106,13 @@ module.exports = React.createClass({
  return (
  <div className="mx_RoomSettings_toggles">
  <h3>{ _t("URL Previews") }</h3>
  -
  - <label>{ previewsForAccount }</label>
  + <div>
  + { _t('When someone puts a URL in their message, a URL preview can be shown to give more ' +
  + 'information about that link such as the title, description, and an image from the website.') }
  + </div>
  + <div>
  + { previewsForAccount }
  + </div>
  { previewsForRoom }
  <label>{ previewsForRoomAccount }</label>
  </div>
  