A Supplement to the act of October 10, 1974 (No. 245), entitled "An act providing for the capital budget for the fiscal year 1974-1975," itemizing public improvement projects to be acquired or constructed by The General State Authority, together with their estimated financial costs, authorizing the incurring of debt without the approval of the electors for the purpose of financing the public improvement projects, stating the estimated useful life of the projects and making an appropriation.