Hashkiveinu Prayer at Maariv ends differently on weekday night
versus Friday night.
Baruch ata Adonai Shomeir Amo Yisrael La-ad
Baruch ata Adonai eternal guardian of Your people Israel.
Ufros aleinu sukkat shelomecha
Baruch ata Adonai … v’al kol amo yisrael v’al yerushalayim
May You spread over us your canopy of peace
Baruch ata Adonai … over all the people Israel, and over Jerusalem.
Please explain the differences and the reason that the prayer is different.