The angel of the Lord— An angel of the Lord. Instead of smote Peter on the side, Dr. Heylin reads, touched Peter on the side.
Related Commentaries of Acts 12:7
Acts 12:7
7 And, behold, the angel of the Lord came upon him, and a light shined in the prison: and he smote Peter on the side, and raised him up, saying, Arise up quickly. And his chains fell off from his hands.