docs: def update_reminder_item(self, reminder_item_id, reminder_item_dict):
          """
          Updates a reminder item
  
          :param reminder_item_id: the reminder item id
          :param reminder_item_dict: dict
          :return: dict
          """
          return self._create_put_request(
              resource=REMINDER_ITEMS,
              billomat_id=reminder_item_id,
              send_data=reminder_item_dict
          )