gistfile1.php

add_filter( 'submit_resume_form_fields', 'custom_submit_resume_form_fields' );
function custom_submit_resume_form_fields( $fields ) {

    $fields['resume_fields']['candidate_education']['required'] = true;
    $fields['resume_fields']['candidate_education']['fields']['notes']['label'] = 'Additional Comments';
    $fields['resume_fields']['candidate_experience']['fields']['notes']['label'] = 'Achievements';
    
    return $fields;
    
}