(a) If the governing body of the municipality, following the public hearing, determines it advisable and in the public interest to establish an improvement district, it shall create the district by ordinance as provided for in article eleven of this chapter: Provided, That the governing body may not amend, alter or change in any manner the boundaries of the improvement district as recommended by the planning committee. In addition to all other requirements, the ordinance shall contain the following:
(1) The name of the district and a description of its boundaries;