WordPress Redirect: Default Password Reset URL [duplicate]

There is a filter to change the lost password url. Try this :

add_filter( 'lostpassword_url',  'my_lostpassword_url', 10, 0 );
function my_lostpassword_url() {
    return site_url('/password-reset/');
}

Note : You can place code in functions.php or make plugin (Recommended).