diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f2777a7..afde2dd8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
   * Add support for `trigger_action` method on resource `PaymentIntent`
 
 ## 13.1.0 - 2024-10-29
-* [#1472](https://github.com/stripe/stripe-ruby/pull/1472) Update generated code
+* [#1472](https://github.com/stripe/stripe-ruby/pull/1472) This release changes the pinned API version to `2024-10-28.acacia`.
   * Add support for `submit_card` test helper method on resource `Issuing.Card`
   * Add support for new resource `V2.EventDestinations`
   * Add support for `create`, `retrieve`, `update`, `list`, `delete`, `disable`, `enable` and `ping` methods on resource `V2.EventDestinations`
diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index a3271488..a1ae6d88 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v1320
\ No newline at end of file
+v1321
\ No newline at end of file
diff --git a/lib/stripe/resources/billing/credit_grant.rb b/lib/stripe/resources/billing/credit_grant.rb
index b12198e5..43839816 100644
--- a/lib/stripe/resources/billing/credit_grant.rb
+++ b/lib/stripe/resources/billing/credit_grant.rb
@@ -6,7 +6,6 @@ module Stripe
     # A credit grant is an API resource that documents the allocation of some billing credits to a customer.
     #
     # Related guide: [Billing credits](https://docs.stripe.com/billing/subscriptions/usage-based/billing-credits)
-    # end
     class CreditGrant < APIResource
       extend Stripe::APIOperations::Create
       extend Stripe::APIOperations::List
@@ -27,7 +26,7 @@ module Stripe
         )
       end
 
-      # Expires a credit grant
+      # Expires a credit grant.
       def expire(params = {}, opts = {})
         request_stripe_object(
           method: :post,
@@ -37,7 +36,7 @@ module Stripe
         )
       end
 
-      # Expires a credit grant
+      # Expires a credit grant.
       def self.expire(id, params = {}, opts = {})
         request_stripe_object(
           method: :post,
@@ -47,7 +46,7 @@ module Stripe
         )
       end
 
-      # Retrieve a list of credit grants
+      # Retrieve a list of credit grants.
       def self.list(filters = {}, opts = {})
         request_stripe_object(
           method: :get,
@@ -67,7 +66,7 @@ module Stripe
         )
       end
 
-      # Voids a credit grant
+      # Voids a credit grant.
       def void_grant(params = {}, opts = {})
         request_stripe_object(
           method: :post,
@@ -77,7 +76,7 @@ module Stripe
         )
       end
 
-      # Voids a credit grant
+      # Voids a credit grant.
       def self.void_grant(id, params = {}, opts = {})
         request_stripe_object(
           method: :post,
diff --git a/lib/stripe/services/billing/credit_grant_service.rb b/lib/stripe/services/billing/credit_grant_service.rb
index 8596c420..78a92b1b 100644
--- a/lib/stripe/services/billing/credit_grant_service.rb
+++ b/lib/stripe/services/billing/credit_grant_service.rb
@@ -15,7 +15,7 @@ module Stripe
         )
       end
 
-      # Expires a credit grant
+      # Expires a credit grant.
       def expire(id, params = {}, opts = {})
         request(
           method: :post,
@@ -26,7 +26,7 @@ module Stripe
         )
       end
 
-      # Retrieve a list of credit grants
+      # Retrieve a list of credit grants.
       def list(params = {}, opts = {})
         request(
           method: :get,
@@ -59,7 +59,7 @@ module Stripe
         )
       end
 
-      # Voids a credit grant
+      # Voids a credit grant.
       def void_grant(id, params = {}, opts = {})
         request(
           method: :post,