diff --git a/types/2019-12-03/Accounts.d.ts b/types/2019-12-03/Accounts.d.ts
index 0e3e24f4d6..cfff59e90b 100644
--- a/types/2019-12-03/Accounts.d.ts
+++ b/types/2019-12-03/Accounts.d.ts
@@ -589,7 +589,7 @@ declare module 'stripe' {
       individual?: AccountCreateParams.Individual;
 
       /**
-       * A set of key-value pairs that you can attach to an `Account` object. This can be useful for storing additional information about the account in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -1186,7 +1186,7 @@ declare module 'stripe' {
       individual?: AccountUpdateParams.Individual;
 
       /**
-       * A set of key-value pairs that you can attach to an `Account` object. This can be useful for storing additional information about the account in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Charges.d.ts b/types/2019-12-03/Charges.d.ts
index d7fc32d03d..533af86119 100644
--- a/types/2019-12-03/Charges.d.ts
+++ b/types/2019-12-03/Charges.d.ts
@@ -1190,7 +1190,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Checkout/Sessions.d.ts b/types/2019-12-03/Checkout/Sessions.d.ts
index 285b9e5d90..366cf1d77d 100644
--- a/types/2019-12-03/Checkout/Sessions.d.ts
+++ b/types/2019-12-03/Checkout/Sessions.d.ts
@@ -355,7 +355,7 @@ declare module 'stripe' {
           description?: string;
 
           /**
-           * 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.
+           * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
            */
           metadata?: MetadataParam;
 
@@ -452,7 +452,7 @@ declare module 'stripe' {
           description?: string;
 
           /**
-           * 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.
+           * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
            */
           metadata?: MetadataParam;
 
@@ -478,7 +478,7 @@ declare module 'stripe' {
           items: Array<SubscriptionData.Item>;
 
           /**
-           * 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.
+           * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
            */
           metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Coupons.d.ts b/types/2019-12-03/Coupons.d.ts
index 17e8484983..0bef88be7a 100644
--- a/types/2019-12-03/Coupons.d.ts
+++ b/types/2019-12-03/Coupons.d.ts
@@ -143,7 +143,7 @@ declare module 'stripe' {
       max_redemptions?: number;
 
       /**
-       * A set of key-value pairs that you can attach to a coupon object. It can be useful for storing additional information about the coupon in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -181,7 +181,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a coupon object. It can be useful for storing additional information about the coupon in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/CustomerBalanceTransactions.d.ts b/types/2019-12-03/CustomerBalanceTransactions.d.ts
index 9f6a4a2d84..3cb8f74891 100644
--- a/types/2019-12-03/CustomerBalanceTransactions.d.ts
+++ b/types/2019-12-03/CustomerBalanceTransactions.d.ts
@@ -105,7 +105,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
@@ -129,7 +129,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
diff --git a/types/2019-12-03/CustomerSources.d.ts b/types/2019-12-03/CustomerSources.d.ts
index 7d945d2e76..f4b74171c9 100644
--- a/types/2019-12-03/CustomerSources.d.ts
+++ b/types/2019-12-03/CustomerSources.d.ts
@@ -12,7 +12,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a card object. It can be useful for storing additional information about the card in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
@@ -80,6 +80,9 @@ declare module 'stripe' {
        */
       expand?: Array<string>;
 
+      /**
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+       */
       metadata?: MetadataParam;
 
       /**
diff --git a/types/2019-12-03/Customers.d.ts b/types/2019-12-03/Customers.d.ts
index 01353be3e3..1cca27e7b3 100644
--- a/types/2019-12-03/Customers.d.ts
+++ b/types/2019-12-03/Customers.d.ts
@@ -239,7 +239,7 @@ declare module 'stripe' {
       invoice_settings?: CustomerCreateParams.InvoiceSettings;
 
       /**
-       * A set of key-value pairs that you can attach to a customer object. It can be useful for storing additional information about the customer in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -410,7 +410,7 @@ declare module 'stripe' {
       invoice_settings?: CustomerUpdateParams.InvoiceSettings;
 
       /**
-       * A set of key-value pairs that you can attach to a customer object. It can be useful for storing additional information about the customer in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Disputes.d.ts b/types/2019-12-03/Disputes.d.ts
index 11ad387160..2ea202f748 100644
--- a/types/2019-12-03/Disputes.d.ts
+++ b/types/2019-12-03/Disputes.d.ts
@@ -269,7 +269,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a dispute object. This can be useful for storing additional information about the dispute in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/ExternalAccounts.d.ts b/types/2019-12-03/ExternalAccounts.d.ts
index 119d0939d4..f6e393ae6f 100644
--- a/types/2019-12-03/ExternalAccounts.d.ts
+++ b/types/2019-12-03/ExternalAccounts.d.ts
@@ -17,7 +17,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to an external account object. It can be useful for storing additional information about the external account in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
@@ -90,6 +90,9 @@ declare module 'stripe' {
        */
       expand?: Array<string>;
 
+      /**
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+       */
       metadata?: MetadataParam;
 
       /**
diff --git a/types/2019-12-03/FileLinks.d.ts b/types/2019-12-03/FileLinks.d.ts
index 8617921dfa..477c80fd87 100644
--- a/types/2019-12-03/FileLinks.d.ts
+++ b/types/2019-12-03/FileLinks.d.ts
@@ -67,7 +67,7 @@ declare module 'stripe' {
       expires_at?: number;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
@@ -91,7 +91,7 @@ declare module 'stripe' {
       expires_at?: 'now' | number | '';
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
diff --git a/types/2019-12-03/InvoiceItems.d.ts b/types/2019-12-03/InvoiceItems.d.ts
index d103baaefb..5356750f9c 100644
--- a/types/2019-12-03/InvoiceItems.d.ts
+++ b/types/2019-12-03/InvoiceItems.d.ts
@@ -180,7 +180,7 @@ declare module 'stripe' {
       invoice?: string;
 
       /**
-       * A set of key-value pairs that you can attach to an invoice item object. It can be useful for storing additional information about the invoice item in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -258,7 +258,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to an invoice item object. It can be useful for storing additional information about the invoice item in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/InvoiceLineItems.d.ts b/types/2019-12-03/InvoiceLineItems.d.ts
index e29222f9d9..6eeccc6298 100644
--- a/types/2019-12-03/InvoiceLineItems.d.ts
+++ b/types/2019-12-03/InvoiceLineItems.d.ts
@@ -37,7 +37,7 @@ declare module 'stripe' {
       invoice_item?: string;
 
       /**
-       * Whether this is a test line item.
+       * Has the value `true` if the object exists in live mode or the value `false` if the object exists in test mode.
        */
       livemode: boolean;
 
@@ -258,7 +258,7 @@ declare module 'stripe' {
         invoiceitem?: string;
 
         /**
-         * A set of key-value pairs that you can attach to an invoice item object. It can be useful for storing additional information about the invoice item in a structured format.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
@@ -323,7 +323,7 @@ declare module 'stripe' {
         id?: string;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Invoices.d.ts b/types/2019-12-03/Invoices.d.ts
index d10a489586..05d7ef8f65 100644
--- a/types/2019-12-03/Invoices.d.ts
+++ b/types/2019-12-03/Invoices.d.ts
@@ -538,6 +538,9 @@ declare module 'stripe' {
        */
       footer?: string;
 
+      /**
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+       */
       metadata?: MetadataParam;
 
       /**
@@ -649,6 +652,9 @@ declare module 'stripe' {
        */
       footer?: string;
 
+      /**
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+       */
       metadata?: MetadataParam;
 
       /**
@@ -906,7 +912,7 @@ declare module 'stripe' {
         invoiceitem?: string;
 
         /**
-         * A set of key-value pairs that you can attach to an invoice item object. It can be useful for storing additional information about the invoice item in a structured format.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
@@ -971,7 +977,7 @@ declare module 'stripe' {
         id?: string;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Issuing/Authorizations.d.ts b/types/2019-12-03/Issuing/Authorizations.d.ts
index d4d964fbca..10a02a9322 100644
--- a/types/2019-12-03/Issuing/Authorizations.d.ts
+++ b/types/2019-12-03/Issuing/Authorizations.d.ts
@@ -274,7 +274,7 @@ declare module 'stripe' {
         expand?: Array<string>;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam | '';
       }
@@ -322,7 +322,7 @@ declare module 'stripe' {
         held_amount?: number;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam | '';
       }
@@ -334,7 +334,7 @@ declare module 'stripe' {
         expand?: Array<string>;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam | '';
       }
diff --git a/types/2019-12-03/Issuing/Cardholders.d.ts b/types/2019-12-03/Issuing/Cardholders.d.ts
index 57f8691754..d96d8192a1 100644
--- a/types/2019-12-03/Issuing/Cardholders.d.ts
+++ b/types/2019-12-03/Issuing/Cardholders.d.ts
@@ -1156,6 +1156,9 @@ declare module 'stripe' {
          */
         is_default?: boolean;
 
+        /**
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+         */
         metadata?: MetadataParam;
 
         /**
diff --git a/types/2019-12-03/Issuing/Cards.d.ts b/types/2019-12-03/Issuing/Cards.d.ts
index affba828f7..682cb5ee25 100644
--- a/types/2019-12-03/Issuing/Cards.d.ts
+++ b/types/2019-12-03/Issuing/Cards.d.ts
@@ -1136,6 +1136,9 @@ declare module 'stripe' {
          */
         expand?: Array<string>;
 
+        /**
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+         */
         metadata?: MetadataParam;
 
         /**
@@ -2135,6 +2138,9 @@ declare module 'stripe' {
          */
         expand?: Array<string>;
 
+        /**
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+         */
         metadata?: MetadataParam | '';
 
         /**
diff --git a/types/2019-12-03/Issuing/Disputes.d.ts b/types/2019-12-03/Issuing/Disputes.d.ts
index e006e28650..2f6d68ff74 100644
--- a/types/2019-12-03/Issuing/Disputes.d.ts
+++ b/types/2019-12-03/Issuing/Disputes.d.ts
@@ -43,7 +43,7 @@ declare module 'stripe' {
         livemode: boolean;
 
         /**
-         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `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.
          */
         metadata: Metadata;
 
diff --git a/types/2019-12-03/Issuing/Transactions.d.ts b/types/2019-12-03/Issuing/Transactions.d.ts
index 8b336bfd79..26d173e512 100644
--- a/types/2019-12-03/Issuing/Transactions.d.ts
+++ b/types/2019-12-03/Issuing/Transactions.d.ts
@@ -142,6 +142,9 @@ declare module 'stripe' {
          */
         expand?: Array<string>;
 
+        /**
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+         */
         metadata?: MetadataParam | '';
       }
 
diff --git a/types/2019-12-03/Orders.d.ts b/types/2019-12-03/Orders.d.ts
index 8b88c4078c..49c12ea66c 100644
--- a/types/2019-12-03/Orders.d.ts
+++ b/types/2019-12-03/Orders.d.ts
@@ -224,7 +224,7 @@ declare module 'stripe' {
       items?: Array<OrderCreateParams.Item>;
 
       /**
-       * A set of key-value pairs that you can attach to an order object. Limited to 500 characters. Metadata can be useful for storing additional information about the order in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -296,7 +296,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a product object. It can be useful for storing additional information about the order in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -415,7 +415,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to an order object. Limited to 500 characters. Metadata can be useful for storing additional information about the order in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/PaymentIntents.d.ts b/types/2019-12-03/PaymentIntents.d.ts
index d82cdba2a6..8f97e89445 100644
--- a/types/2019-12-03/PaymentIntents.d.ts
+++ b/types/2019-12-03/PaymentIntents.d.ts
@@ -488,7 +488,7 @@ declare module 'stripe' {
       mandate_data?: PaymentIntentCreateParams.MandateData;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -808,7 +808,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/PaymentMethods.d.ts b/types/2019-12-03/PaymentMethods.d.ts
index ceb0da0043..dd1b2ef3ff 100644
--- a/types/2019-12-03/PaymentMethods.d.ts
+++ b/types/2019-12-03/PaymentMethods.d.ts
@@ -373,7 +373,7 @@ declare module 'stripe' {
       ideal?: PaymentMethodCreateParams.Ideal;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -519,7 +519,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Payouts.d.ts b/types/2019-12-03/Payouts.d.ts
index 488dd03998..fec9119a42 100644
--- a/types/2019-12-03/Payouts.d.ts
+++ b/types/2019-12-03/Payouts.d.ts
@@ -142,7 +142,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a payout object. It can be useful for storing additional information about the payout in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -182,7 +182,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a payout object. It can be useful for storing additional information about the payout in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
diff --git a/types/2019-12-03/Products.d.ts b/types/2019-12-03/Products.d.ts
index 58a4b8424a..5f6f7a93d0 100644
--- a/types/2019-12-03/Products.d.ts
+++ b/types/2019-12-03/Products.d.ts
@@ -192,7 +192,7 @@ declare module 'stripe' {
       images?: Array<string>;
 
       /**
-       * A set of key-value pairs that you can attach to a product object. It can be useful for storing additional information about the product in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -297,7 +297,7 @@ declare module 'stripe' {
       images?: Array<string> | '';
 
       /**
-       * A set of key-value pairs that you can attach to a product object. It can be useful for storing additional information about the product in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Refunds.d.ts b/types/2019-12-03/Refunds.d.ts
index 90dce95c68..0cdb9b0b16 100644
--- a/types/2019-12-03/Refunds.d.ts
+++ b/types/2019-12-03/Refunds.d.ts
@@ -100,6 +100,9 @@ declare module 'stripe' {
        */
       expand?: Array<string>;
 
+      /**
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
+       */
       metadata?: MetadataParam;
 
       payment_intent?: string;
diff --git a/types/2019-12-03/SKUs.d.ts b/types/2019-12-03/SKUs.d.ts
index a8b7d65184..c8b35e15f6 100644
--- a/types/2019-12-03/SKUs.d.ts
+++ b/types/2019-12-03/SKUs.d.ts
@@ -181,7 +181,7 @@ declare module 'stripe' {
       image?: string;
 
       /**
-       * A set of key-value pairs that you can attach to a SKU object. It can be useful for storing additional information about the SKU in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -277,7 +277,7 @@ declare module 'stripe' {
       inventory?: SkuUpdateParams.Inventory;
 
       /**
-       * A set of key-value pairs that you can attach to a SKU object. It can be useful for storing additional information about the SKU in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/SetupIntents.d.ts b/types/2019-12-03/SetupIntents.d.ts
index 65d8933ba3..d667c1b1bd 100644
--- a/types/2019-12-03/SetupIntents.d.ts
+++ b/types/2019-12-03/SetupIntents.d.ts
@@ -258,7 +258,7 @@ declare module 'stripe' {
       mandate_data?: SetupIntentCreateParams.MandateData;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -421,7 +421,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/SourceTransactions.d.ts b/types/2019-12-03/SourceTransactions.d.ts
index 6cdd21a503..e69be4d85a 100644
--- a/types/2019-12-03/SourceTransactions.d.ts
+++ b/types/2019-12-03/SourceTransactions.d.ts
@@ -144,12 +144,12 @@ declare module 'stripe' {
 
       interface PaperCheck {
         /**
-         * String unix time for the available date.
+         * Time at which the deposited funds will be available for use. Measured in seconds since the Unix epoch.
          */
         available_at?: string;
 
         /**
-         * Invoice ID associated with the paper check.
+         * Comma-separated list of invoice IDs associated with the paper check.
          */
         invoices?: string;
       }
diff --git a/types/2019-12-03/Sources.d.ts b/types/2019-12-03/Sources.d.ts
index a292d04ffc..feccd4d994 100644
--- a/types/2019-12-03/Sources.d.ts
+++ b/types/2019-12-03/Sources.d.ts
@@ -749,9 +749,6 @@ declare module 'stripe' {
        */
       mandate?: SourceCreateParams.Mandate;
 
-      /**
-       * A set of key-value pairs that you can attach to a source object. It can be useful for storing additional information about the source in a structured format.
-       */
       metadata?: MetadataParam;
 
       /**
@@ -1058,7 +1055,7 @@ declare module 'stripe' {
       mandate?: SourceUpdateParams.Mandate;
 
       /**
-       * A set of key-value pairs that you can attach to a source object. It can be useful for storing additional information about the source in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/SubscriptionItems.d.ts b/types/2019-12-03/SubscriptionItems.d.ts
index 6709fb6896..17b72327b3 100644
--- a/types/2019-12-03/SubscriptionItems.d.ts
+++ b/types/2019-12-03/SubscriptionItems.d.ts
@@ -95,7 +95,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -165,7 +165,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/SubscriptionSchedules.d.ts b/types/2019-12-03/SubscriptionSchedules.d.ts
index 7f0847bcc1..bce5986cef 100644
--- a/types/2019-12-03/SubscriptionSchedules.d.ts
+++ b/types/2019-12-03/SubscriptionSchedules.d.ts
@@ -305,7 +305,7 @@ declare module 'stripe' {
       from_subscription?: string;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -508,7 +508,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Subscriptions.d.ts b/types/2019-12-03/Subscriptions.d.ts
index f34eb058dc..837cff87ad 100644
--- a/types/2019-12-03/Subscriptions.d.ts
+++ b/types/2019-12-03/Subscriptions.d.ts
@@ -313,7 +313,7 @@ declare module 'stripe' {
       items?: Array<SubscriptionCreateParams.Item>;
 
       /**
-       * A set of key-value pairs that you can attach to a `Subscription` object. It can be useful for storing additional information about the subscription in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -387,7 +387,7 @@ declare module 'stripe' {
         billing_thresholds?: Item.BillingThresholds | null;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
@@ -519,7 +519,7 @@ declare module 'stripe' {
       items?: Array<SubscriptionUpdateParams.Item>;
 
       /**
-       * A set of key-value pairs that you can attach to a subscription object. This can be useful for storing additional information about the subscription in a structured format.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -610,7 +610,7 @@ declare module 'stripe' {
         id?: string;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Terminal/Locations.d.ts b/types/2019-12-03/Terminal/Locations.d.ts
index 47dc6b39be..fe99ae628b 100644
--- a/types/2019-12-03/Terminal/Locations.d.ts
+++ b/types/2019-12-03/Terminal/Locations.d.ts
@@ -72,7 +72,7 @@ declare module 'stripe' {
         expand?: Array<string>;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Terminal/Readers.d.ts b/types/2019-12-03/Terminal/Readers.d.ts
index 86ab539db5..335f901a38 100644
--- a/types/2019-12-03/Terminal/Readers.d.ts
+++ b/types/2019-12-03/Terminal/Readers.d.ts
@@ -109,7 +109,7 @@ declare module 'stripe' {
         location?: string;
 
         /**
-         * 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.
+         * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
          */
         metadata?: MetadataParam;
 
diff --git a/types/2019-12-03/Topups.d.ts b/types/2019-12-03/Topups.d.ts
index 86c5d42466..958dbb5d37 100644
--- a/types/2019-12-03/Topups.d.ts
+++ b/types/2019-12-03/Topups.d.ts
@@ -113,7 +113,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
 
@@ -152,7 +152,7 @@ declare module 'stripe' {
       expand?: Array<string>;
 
       /**
-       * 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.
+       * 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to `metadata`.
        */
       metadata?: MetadataParam;
     }
diff --git a/types/2019-12-03/Transfers.d.ts b/types/2019-12-03/Transfers.d.ts
index 685b1e568b..b12f5626fa 100644
--- a/types/2019-12-03/Transfers.d.ts
+++ b/types/2019-12-03/Transfers.d.ts
@@ -60,7 +60,7 @@ declare module 'stripe' {
       livemode: boolean;
 
       /**
-       * A set of key-value pairs that you can attach to a transfer object. It can be useful for storing additional information about the transfer in a structured format.
+       * 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.
        */
       metadata: Metadata;