Change the empty cart message in WooCommerce on your child site.
Snippet Type
Execute on Child Sites
Snippet
remove_action( 'woocommerce_cart_is_empty', 'wc_empty_cart_message', 10 );
add_action( 'woocommerce_cart_is_empty', 'custom_empty_cart_message', 10 );
function custom_empty_cart_message() {
$html = '<div class="col-12 offset-md-1 col-md-10"><p class="cart-empty">';
$html .= wp_kses_post( apply_filters( 'wc_empty_cart_message', __( 'Your cart is currently empty.', 'woocommerce' ) ) );
echo $html . '</p></div>';
}