diff --git a/lib/Issuing/Transaction.php b/lib/Issuing/Transaction.php
index 7b7b4b03a..324529364 100644
--- a/lib/Issuing/Transaction.php
+++ b/lib/Issuing/Transaction.php
@@ -26,7 +26,6 @@
  * @property string $merchant_currency The currency with which the merchant is taking payment.
  * @property \Stripe\StripeObject $merchant_data
  * @property \Stripe\StripeObject $metadata Set of key-value pairs 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 $type The nature of the transaction.
  */
 class Transaction extends \Stripe\ApiResource
diff --git a/lib/Product.php b/lib/Product.php
index d257482e6..1fd07f9cb 100644
--- a/lib/Product.php
+++ b/lib/Product.php
@@ -6,8 +6,9 @@
  * Products describe the specific goods or services you offer to your customers.
  * For example, you might offer a Standard and Premium version of your goods or
  * service; each version would be a separate Product. They can be used in
- * conjunction with <a href="https://stripe.com/docs/api#prices">Prices</a> to
- * configure pricing in Checkout and Subscriptions.
+ * conjunction with <a href="https://stripe.com/docs/api#skus">SKUs</a> and <a
+ * href="https://stripe.com/docs/api#plans">Plans</a> to configure pricing in
+ * Checkout and Subscriptions.
  *
  * Related guides: <a
  * href="https://stripe.com/docs/billing/subscriptions/set-up-subscription">Set up
diff --git a/lib/Service/AccountService.php b/lib/Service/AccountService.php
index cd4ef0afa..5a4a4cc45 100644
--- a/lib/Service/AccountService.php
+++ b/lib/Service/AccountService.php
@@ -78,10 +78,6 @@ public function allPersons($parentId, $params = null, $opts = null)
      * href="https://dashboard.stripe.com/account/applications/settings">register your
      * platform</a>.
      *
-     * For Standard accounts, parameters other than <code>country</code>,
-     * <code>email</code>, and <code>type</code> are used to prefill the account
-     * application that we ask the account holder to complete.
-     *
      * @param null|array $params
      * @param null|array|\Stripe\Util\RequestOptions $opts
      *
diff --git a/lib/Service/Checkout/SessionService.php b/lib/Service/Checkout/SessionService.php
index 6a3205fd3..080914d34 100644
--- a/lib/Service/Checkout/SessionService.php
+++ b/lib/Service/Checkout/SessionService.php
@@ -19,6 +19,25 @@ public function all($params = null, $opts = null)
         return $this->request('get', '/v1/checkout/sessions', $params, $opts);
     }
 
+    /**
+     * When retrieving a Checkout Session, there is an includable
+     * <strong>line_items</strong> property containing the first handful of those
+     * items. There is also a URL where you can retrieve the full (paginated) list of
+     * line items.
+     *
+     * @param string $parentId
+     * @param null|array $params
+     * @param null|array|\Stripe\Util\RequestOptions $opts
+     *
+     * @throws \Stripe\Exception\ApiErrorException if the request fails
+     *
+     * @return \Stripe\Collection
+     */
+    public function allLineItems($parentId, $params = null, $opts = null)
+    {
+        return $this->request('get', $this->buildPath('/v1/checkout/sessions/%s/line_items', $parentId), $params, $opts);
+    }
+
     /**
      * Creates a Session object.
      *
diff --git a/lib/Service/CoreServiceFactory.php b/lib/Service/CoreServiceFactory.php
index 40423aa94..210952a0d 100644
--- a/lib/Service/CoreServiceFactory.php
+++ b/lib/Service/CoreServiceFactory.php
@@ -9,7 +9,7 @@
  * @property AccountService $accounts
  * @property ApplePayDomainService $applePayDomains
  * @property ApplicationFeeService $applicationFees
- * @property BalanceService $balances
+ * @property BalanceService $balance
  * @property BalanceTransactionService $balanceTransactions
  * @property BillingPortal\BillingPortalServiceFactory $billingPortal
  * @property ChargeService $charges
@@ -64,7 +64,7 @@ class CoreServiceFactory extends \Stripe\Service\AbstractServiceFactory
         'accounts' => AccountService::class,
         'applePayDomains' => ApplePayDomainService::class,
         'applicationFees' => ApplicationFeeService::class,
-        'balances' => BalanceService::class,
+        'balance' => BalanceService::class,
         'balanceTransactions' => BalanceTransactionService::class,
         'billingPortal' => BillingPortal\BillingPortalServiceFactory::class,
         'charges' => ChargeService::class,
diff --git a/lib/StripeClient.php b/lib/StripeClient.php
index 0c6e69f3f..de85b0d12 100644
--- a/lib/StripeClient.php
+++ b/lib/StripeClient.php
@@ -9,8 +9,8 @@
  * @property \Stripe\Service\AccountService $accounts
  * @property \Stripe\Service\ApplePayDomainService $applePayDomains
  * @property \Stripe\Service\ApplicationFeeService $applicationFees
+ * @property \Stripe\Service\BalanceService $balance
  * @property \Stripe\Service\BalanceTransactionService $balanceTransactions
- * @property \Stripe\Service\BalanceService $balances
  * @property \Stripe\Service\BillingPortal\BillingPortalServiceFactory $billingPortal
  * @property \Stripe\Service\ChargeService $charges
  * @property \Stripe\Service\Checkout\CheckoutServiceFactory $checkout