'Reformed' in the Bible

'Woe to thee, Chorazin! woe to thee, Bethsaida! because, if in Tyre and Sidon had been done the mighty works that were done in you, long ago in sackcloth and ashes they had reformed;

'Men of Nineveh shall stand up in the judgment with this generation, and shall condemn it, for they reformed at the proclamation of Jonah, and lo, a greater than Jonah here!