hover not working on tailwind

1// tailwind.config.js
2module.exports = {
3    variants: {
4textColor: ['responsive', 'hover', 'focus', 'group-hover'],
5 },
6}

1// tailwind.config.js
2module.exports = {
3    variants: {
4      extend: {
5		textColor: ['responsive', 'hover', 'focus', 'group-hover'],
6      }
7 },
8}