EM Pro – Change Coupon Output

/**********
    Change the shown text when an EM Coupon has been applied.
***********/
function stonehenge_em_change_coupon_output( $text, $EM_Coupon ) {
    $text   = $EM_Coupon->coupon_description;
    return $text;
}
add_filter('em_coupon_get_discount_text', 'stonehenge_em_change_coupon_output', 10, 2);