Here's the one Canon says at the beginning of Mass:
    O God, the Shepherd and Ruler of all Thy faithful people, mercifully look upon Thy servant Benedict, whom Thou hast chosen as the chief Shepherd to preside over Thy Church; grant him, we beseech Thee, so to edify, both by word and example, those over whom he hath charge, that he may attain unto everlasting life, together with the flock committed unto him. Through Christ our Lord. Amen.

    Deus ómnium fidélium pastor et rector, fámulum tuum Benedictum, quem pastórem Ecclésiæ tuæ præésse voluísti, propítius réspice: da ei, quǽsumus, verbo et exémplo, quibus præest, profícere; ut ad vitam, una cum grege sibi crédito, pervéniat sempitérnam. Per Christum Dóminum nostrum. Amen

    And at the end of Mass:
    May the participation of this divine Sacrament protect us, we beseech thee, O Lord; and always procure safety and defense to thy servant Benedict, whom thou hast appointed Pastor over thy Church, together with the flock committed to his charge. Through Christ our Lord. Amen.

    Hæc nos, quaesumus, Dómine, divíni sacraménti percéptio prótegat: et fámulum tuum Benedictum, quem pastórem Ecclésiæ tuæ præésse voluísti; una cum commísso sibi grege, salvet semper et múniat.