Original sentence: A late warning telegram of the coup d'état from President Gamal Abdel Nasser reached the office of Nasim Al Safarjalani at the presidential palace on the early morning of the coup d'état
Edited sentence: A late warning telegram of the coup d'état from President Gamal Abdel Nasser reached the office of Nasim Al Safarjalani (The General Secretary of Presidential Council), at the presidential palace on the early morning of the coup d'état