An Act amending the act of June 13, 1961 (P. L. 282, No. 167), entitled "An act authorizing counties, cities, boroughs, incorporated towns and townships to create historic districts within their geographic boundaries; providing for the appointment of Boards of Historical Architectural Review; empowering governing bodies of political subdivisions to protect the distinctive historical character of these districts and to regulate the erection, reconstruction, alteration, restoration, demolition or razing of buildings within the historic districts," removing second class cities from the scope of the act.