def change_display_name(self, first_name, last_name):
        """
        Changes the display name

        :param first_name: The first name
        :param last_name: The last name
        """
        log.info("[+] Changing the display name to '{} {}'".format(first_name, last_name))
        return self._send_xmpp_element(account.ChangeNameRequest(first_name, last_name))