README.md in stellae-ruby-api-0.0.1 vs README.md in stellae-ruby-api-0.0.2

@@ -60,10 +60,10 @@
       quantity: "1",
       sku:      "123332211",
       size:     "XS"
     }
   ],
-  shipping_code: "90",
+  shipping_method: "90",
   invoice_url:   "http://example.com/R123123123/invoice"
 }
 
 client   = Stellae::Client.new("username", "password")
 response = client.send_order_request(order)