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 a public improvement project to be constructed by the Department of General Services, together with its estimated financial cost, authorizing the incurring of debt without the approval of the electors for the purpose of financing the public improvement project, stating the estimated useful life of the project, and making an appropriation.