diff --git a/docs/CreateCustomerCardRequest.md b/docs/CreateCustomerCardRequest.md
index 21b54df..0433f2e 100644
--- a/docs/CreateCustomerCardRequest.md
+++ b/docs/CreateCustomerCardRequest.md
@@ -3,7 +3,7 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**cardNonce** | **String** | A card nonce representing the credit card to link to the customer.  Card nonces are generated by the `SqPaymentForm` that buyers enter their card information into. See [Embedding the payment form](/payments/sqpaymentform/overview) for more information.  __Note:__ Card nonces generated by digital wallets (e.g., Apple Pay) cannot be used to create a customer card. | 
+**card_nonce** | **String** | A card nonce representing the credit card to link to the customer.  Card nonces are generated by the `SqPaymentForm` that buyers enter their card information into. See [Embedding the payment form](/payments/sqpaymentform/overview) for more information.  __Note:__ Card nonces generated by digital wallets (e.g., Apple Pay) cannot be used to create a customer card. | 
 **billingAddress** | [**Address**](Address.md) | Address information for the card on file. Only the `postal_code` field is required for payments in the US and Canada. | [optional] 
 **cardholderName** | **String** | The cardholder's name. | [optional]