diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index 732dc4c7..e299bd60 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v1334
\ No newline at end of file
+v1339
\ No newline at end of file
diff --git a/lib/stripe/resources/subscription.rb b/lib/stripe/resources/subscription.rb
index 16002f33..d0088025 100644
--- a/lib/stripe/resources/subscription.rb
+++ b/lib/stripe/resources/subscription.rb
@@ -127,7 +127,7 @@ module Stripe
     # A trial starts or ends.
     #
     #
-    # In these cases, we apply a credit for the unused time on the previous price, immediately charge the customer using the new price, and reset the billing date. Learn about how [Stripe immediately attempts payment for subscription changes](https://stripe.com/billing/subscriptions/upgrade-downgrade#immediate-payment).
+    # In these cases, we apply a credit for the unused time on the previous price, immediately charge the customer using the new price, and reset the billing date. Learn about how [Stripe immediately attempts payment for subscription changes](https://stripe.com/docs/billing/subscriptions/upgrade-downgrade#immediate-payment).
     #
     # If you want to charge for an upgrade immediately, pass proration_behavior as always_invoice to create prorations, automatically invoice the customer for those proration adjustments, and attempt to collect payment. If you pass create_prorations, the prorations are created but not automatically invoiced. If you want to bill the customer for the prorations before the subscription's renewal date, you need to manually [invoice the customer](https://stripe.com/docs/api/invoices/create).
     #
diff --git a/lib/stripe/services/subscription_service.rb b/lib/stripe/services/subscription_service.rb
index 334aa04b..1ef8fcbb 100644
--- a/lib/stripe/services/subscription_service.rb
+++ b/lib/stripe/services/subscription_service.rb
@@ -107,7 +107,7 @@ module Stripe
     # A trial starts or ends.
     #
     #
-    # In these cases, we apply a credit for the unused time on the previous price, immediately charge the customer using the new price, and reset the billing date. Learn about how [Stripe immediately attempts payment for subscription changes](https://stripe.com/billing/subscriptions/upgrade-downgrade#immediate-payment).
+    # In these cases, we apply a credit for the unused time on the previous price, immediately charge the customer using the new price, and reset the billing date. Learn about how [Stripe immediately attempts payment for subscription changes](https://stripe.com/docs/billing/subscriptions/upgrade-downgrade#immediate-payment).
     #
     # If you want to charge for an upgrade immediately, pass proration_behavior as always_invoice to create prorations, automatically invoice the customer for those proration adjustments, and attempt to collect payment. If you pass create_prorations, the prorations are created but not automatically invoiced. If you want to bill the customer for the prorations before the subscription's renewal date, you need to manually [invoice the customer](https://stripe.com/docs/api/invoices/create).
     #