How to Replace Product Tab in Woocommerce?

add_filter( ‘woocommerce_product_tabs’, ‘wpsc_woo_custom_description_tab’, 98 );
function wpsc_woo_custom_description_tab( $tabs ) 
{
    $tabs[‘description’][‘callback’] = ‘wpsc_woo_custom_description_tab_content’; // Custom description callback
    return $tabs;
}

function wpsc_woo_custom_description_tab_content() 
{
    echo ‘Custom Description‘;
    echo ‘Here\’s a custom description‘;
}