Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Isaiah 61:3

that there should be given to them that mourn in Sion glory instead of ashes, the oil of joy to the mourners, the garment of glory for the spirit of heaviness: and they shall be called generations of righteousness, the planting of the Lord for glory.

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