Notice of the holding of such an election shall be given by publication thereof, in some newspaper published in the county wherein the operating school unit is located, at least once not less than fifteen days prior to the occasion set for the holding of such election. If the operating school unit lies partly in one county and partly in another the publication required by this section shall be made in both counties. Such notice shall state:
(1) The occasion of the holding of the election;
(2) The location of the several polling places;
(3) The qualifications imposed upon persons desirous of voting;
(4) The amount of bonds to be issued; and
(5) A brief description of the purpose for which the proceeds of the bonds shall be applied.