2 Corinthians 1 22
He put his mark on us to show that we are his. Yes, he put his Spirit in our hearts as the first payment that guarantees all that he will give us.
Compare with other 3 random translations
KJV 2 Corinthians 1:22who hath also sealed us, and given the earnest of the Spirit in our hearts.
NAS 2 Corinthians 1:22who also sealed us and gave us the Spirit in our hearts as a pledge.
YLT 2 Corinthians 1:22who also sealed us, and gave the earnest of the Spirit in our hearts.