A Supplement to the act of February 6, 1974 (No. 17), entitled "An act providing for the capital budget for the fiscal year 1973-1974," itemizing public improvement projects to be constructed by The General State Authority together with their estimated financial cost; authorizing the incurring of debt without the approval of the electors for the purpose of financing the projects stating the estimated useful life of the projects, specifically itemized in a capital budget, and making an appropriation.