diff --git a/src/binders/payments/parameters.ts b/src/binders/payments/parameters.ts
index 90e8fadb..49f35169 100644
--- a/src/binders/payments/parameters.ts
+++ b/src/binders/payments/parameters.ts
@@ -74,6 +74,12 @@ export type CreateParameters = Pick<PaymentData, 'amount' | 'description' | 'red
       familyName?: string;
     };
     issuer?: Issuer;
+    /**
+     * The unique identifier used for referring to a terminal. This ID is used for assigning the payment to a specific terminal and it can be retrieved via List terminals. For more information about
+     * point-of-sale payments, please check our guide point-of-sale payments.
+     *
+     * @see https://docs.mollie.com/reference/v2/payments-api/create-payment?path=terminalId#point-of-sale
+     */
     terminalId?: string
     /**
      * The card number on the gift card. You can supply this to prefill the card number.