diff --git a/lib/Customer.php b/lib/Customer.php
index 3bef3fae0..a09acb9ba 100644
--- a/lib/Customer.php
+++ b/lib/Customer.php
@@ -34,7 +34,7 @@
  * @property null|string $phone The customer's phone number.
  * @property null|string[] $preferred_locales The customer's preferred locales (languages), ordered by preference.
  * @property null|\Stripe\StripeObject $shipping Mailing and shipping address for the customer. Appears on invoices emailed to this customer.
- * @property \Stripe\Collection $sources The customer's payment sources, if any.
+ * @property null|\Stripe\Collection $sources The customer's payment sources, if any.
  * @property null|\Stripe\Collection $subscriptions The customer's current subscriptions, if any.
  * @property null|string $tax_exempt Describes the customer's tax exemption status. One of <code>none</code>, <code>exempt</code>, or <code>reverse</code>. When set to <code>reverse</code>, invoice and receipt PDFs include the text <strong>&quot;Reverse charge&quot;</strong>.
  * @property \Stripe\Collection $tax_ids The customer's tax IDs.
diff --git a/lib/Issuing/Authorization.php b/lib/Issuing/Authorization.php
index a4269396b..22e812755 100644
--- a/lib/Issuing/Authorization.php
+++ b/lib/Issuing/Authorization.php
@@ -17,6 +17,7 @@
  * @property string $id Unique identifier for the object.
  * @property string $object String representing the object's type. Objects of the same type share the same value.
  * @property int $amount The total amount that was authorized or rejected. This amount is in the card's currency and in the <a href="https://stripe.com/docs/currencies#zero-decimal">smallest currency unit</a>.
+ * @property null|\Stripe\StripeObject $amount_details Detailed breakdown of amount components. These amounts are denominated in <code>currency</code> and in the <a href="https://stripe.com/docs/currencies#zero-decimal">smallest currency unit</a>.
  * @property bool $approved Whether the authorization has been approved.
  * @property string $authorization_method How the card details were provided.
  * @property \Stripe\BalanceTransaction[] $balance_transactions List of balance transactions associated with this authorization.
diff --git a/lib/Issuing/Transaction.php b/lib/Issuing/Transaction.php
index 2e8c8d55d..43df4d0f9 100644
--- a/lib/Issuing/Transaction.php
+++ b/lib/Issuing/Transaction.php
@@ -17,6 +17,7 @@
  * @property string $id Unique identifier for the object.
  * @property string $object String representing the object's type. Objects of the same type share the same value.
  * @property int $amount The transaction amount, which will be reflected in your balance. This amount is in your currency and in the <a href="https://stripe.com/docs/currencies#zero-decimal">smallest currency unit</a>.
+ * @property null|\Stripe\StripeObject $amount_details Detailed breakdown of amount components. These amounts are denominated in <code>currency</code> and in the <a href="https://stripe.com/docs/currencies#zero-decimal">smallest currency unit</a>.
  * @property null|string|\Stripe\Issuing\Authorization $authorization The <code>Authorization</code> object that led to this transaction.
  * @property null|string|\Stripe\BalanceTransaction $balance_transaction ID of the <a href="https://stripe.com/docs/api/balance_transactions">balance transaction</a> associated with this transaction.
  * @property string|\Stripe\Issuing\Card $card The card used to make this transaction.