Asperges Me Domine from the Traditional Catholic Latin Mass

The following is directly from the SSPX Mass website: Immediately before the principal Sunday Mass, the celebrant, wearing a cope and accompanied by his ministers, intones at the foot of the altar the “Asperges me“ and the then sprinkles the altar, the clergy and people with holy water, saying in a low voice the psalm “Miserere“. (During Paschaltide, “Asperges me“ and “Miserere“ is replaced by “Vidi Aquam“ and “Confitemini“). Asperges me, Domine, hyssopo et mundabor: lavabis me, et super nivem dealbabor. Ps. Miserere mei, Deus, secundum magnam misericordiam tuam. V. Gloria Patri, et Filio, et Spiritui Sancto. R. Sicut erat in principio, et nunc et semper, et in sæcula sæculorum. Amen. Ant: Asperges me, Domine, hyssopo et mundabor: lavabis me, et super nivem dealbabor. V. Ostende nobis, Domine, misericordiam tuam. R. Et salutare tuum da nobis. V. Domine, exaudi orationem meam. R. Et clamor meus at te veniat. V. Dominus Vobiscum. R. Et Cum Spiritu tuo. Thou shalt sprinkle me with hyssop, O L