Translate no products in cart text

translate_no_product_in_cart_text.php

<?php //* do not include this line

add_filter( 'gettext_woocommerce', 'ouwoo_translate_cart_text', 10, 3);
function ouwoo_translate_cart_text( $translated_text, $text, $domain ) {
  switch( $translated_text ) {
    case 'No products in the cart.' : 
      $translated_text = "Please add some products from our shop, so we can generate a quote for you.";
      break;
  }
  return $translated_text;
}