Customize archive title in WP

functions.php

<?php
/**
 * Customize the Product archive title
 */
function red_archive_title( $title ) {
    if ( is_post_type_archive( 'product' ) ) {
        $title = 'Our Products Are Made Fresh Daily';
    } elseif ( is_tax( 'product-type' ) ) {
        $title = sprintf( '%1$s', single_term_title( '', false ) );
    } elseif ( is_post_type_archive( 'testimonial' ) ) {
        $title = 'Testimonials';
    }
    
    return $title;
}
add_filter( 'get_the_archive_title', 'red_archive_title' );