diff --git a/lib/Issuing/Transaction.php b/lib/Issuing/Transaction.php
index 3c44d7ec1..90a38edd7 100644
--- a/lib/Issuing/Transaction.php
+++ b/lib/Issuing/Transaction.php
@@ -32,6 +32,7 @@
  * @property \Stripe\StripeObject $metadata Set of <a href="https://stripe.com/docs/api/metadata">key-value pairs</a> that you can attach to an object. This can be useful for storing additional information about the object in a structured format.
  * @property null|\Stripe\StripeObject $purchase_details Additional purchase information that is optionally provided by the merchant.
  * @property string $type The nature of the transaction.
+ * @property null|string $wallet The digital wallet used for this transaction. One of <code>apple_pay</code>, <code>google_pay</code>, or <code>samsung_pay</code>.
  */
 class Transaction extends \Stripe\ApiResource
 {