A Supplement to the act of October 18, 1975 (P. L. 408, No. 112), entitled "An act providing for the capital budget for fiscal year 1975-1976," enumerating a public improvement project to be acquired or 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 project, stating the estimated useful life of the project, and making an appropriation.