First amendment in 1973 constitution of Pakistan was made to ______?

First amendment in 1973 constitution of Pakistan was made to ______?

پاکستان کے 1973 کے آئین میں پہلی ترمیم کس کے لیے کی گئی تھی؟
Explanation
The first amendment to the 1973 Constitution of Pakistan, enacted on May 4, 1974
Redefined Boundaries:
The amendment addressed Pakistan's international and provisional boundaries, reflecting East Pakistan's loss