III. The Holy Spirit and the Church in the Liturgy
Catechism number 1092
In this sacramental dispensation of Christ's mystery the Holy Spirit acts in
the same way as at other times in the economy of salvation: he prepares the
Church to encounter her Lord; he recalls and makes Christ manifest to the faith
of the assembly. By his transforming power, he makes the mystery of Christ
present here and now. Finally the Spirit of communion unites the Church to the
life and mission of Christ.
The Holy Spirit prepares for the reception of Christ