Said notice shall state the filing of the petition, describe generally the lands petitioned to be included within the operation of the district and the prayer of the petition and shall notify all persons interested in or that may be affected by such inclusion to appear at the time and place named in the notice, and show cause in writing, if any they have, why such lands or any part of the same should not be included within operation of the district. Such notice shall have the name of the secretary and of the district either subscribed or subprinted thereto.