Add product subtitle in Woocommerce product archives

functions.php

// Add product subtitle in archives
add_action( 'woocommerce_after_shop_loop_item_title', 'add_product_subtitle_in_archive', 40 );
function add_product_subtitle_in_archive() {
    if (function_exists('the_field')){
        
        if (get_field('subtitulo')){
            echo '<span class="product-subtitle">', the_field('subtitulo'), '</span>';
        }
    }
}