2) to change one’s mind for better, heartily to amend with abhorrence of one’s past sins
Clearly that means one will turn away from sin, and keep turning way from sin that comes up in life
Clearly, if one reads the book of Galations, the false, and accursed Gospel is the one that ADDS man's works, efforts or merits to the GIFT of salvation by grace through faith.
Gal 2:16
Knowing that a man is not justified by the works of the law, but by the faith of Jesus Christ, even we have believed in Jesus Christ, that we might be justified by the faith of Christ, and not by the works of the law: for by the works of the law shall no flesh be justified.