diff --git a/docs/onboarding/22 NFT Checkouts/1b Advanced Guides/0 Embedded Elements/1 CheckoutWithCard.mdx b/docs/onboarding/22 NFT Checkouts/1b Advanced Guides/0 Embedded Elements/1 CheckoutWithCard.mdx
index ee19633b1..c21763337 100644
--- a/docs/onboarding/22 NFT Checkouts/1b Advanced Guides/0 Embedded Elements/1 CheckoutWithCard.mdx	
+++ b/docs/onboarding/22 NFT Checkouts/1b Advanced Guides/0 Embedded Elements/1 CheckoutWithCard.mdx	
@@ -54,6 +54,10 @@ import { CheckoutWithCard } from "@thirdweb-dev/react";
         currency: "ETH",
       },
     },
+    // contractArgs (for thirdweb contracts)
+    contractArgs: {
+      tokenId: 0,
+    },
   }}
   onPaymentSuccess={(result) => {
     console.log("Payment successful:", result);