diff --git a/src/api-reference/06.shipments.md b/src/api-reference/06.shipments.md
index ebac2b0b..2fc8c629 100644
--- a/src/api-reference/06.shipments.md
+++ b/src/api-reference/06.shipments.md
@@ -33,9 +33,9 @@ used when creating shipments.
This package type is available on
and for PostNL NL shipments that fit into a
-mailbox. It does not support additional options.
+mailbox. It supports the `priority_delivery` shipment option. This option is only available for .\
On this package type is available for bpost BE
-shipments that fit into a mailbox. It does not support additional options.
+shipments that fit into a mailbox. It does not support additional options.\
This package type is also available on for
international shipments that fit into a mailbox. Shipment option tracked is
available.
@@ -124,8 +124,7 @@ delivery date specified at the drop-off location. Only available on MyParcel.nl.
These are the different package options such as insurance, recipient only,
signature on receipt, XL format etc. These options are specified in
the ShipmentOptions
-object. These options are only available
-for .
+object.
#### only_recipient
@@ -183,6 +182,12 @@ Only available on
and . The Customer/Consumer must sign for the
package and only receive it when he is at least 18 years.
+#### priority_delivery
+
+Only available on with and .\
+If set, the shipment will be delivered as a priority mailbox package (24 hours).\
+If unset, the shipment will be delivered as a standard mailbox package (48 hours).
+
#### saturday_delivery
Available on and carrier DPD for b2b shipments. No additional fee is paid
diff --git a/src/api-reference/07.shipment-related-object-definitions.md b/src/api-reference/07.shipment-related-object-definitions.md
index 67d9beff..b26eff20 100644
--- a/src/api-reference/07.shipment-related-object-definitions.md
+++ b/src/api-reference/07.shipment-related-object-definitions.md
@@ -693,81 +693,85 @@ Only applicable for recipient address data. Containing the vat number of the rec
### 7.C.1 Overview
This object contains the shipment options and is embedded in Shipment.options and ReturnShipment.options.
+**age_check**
+Data type: [boolean]
+Required: No
+The recipient must sign for the package and must be at least 18 years old.
-**package_type**
-Data type: [package_type]
-Required: yes
-The package type. For international shipment only (package) is allowed.
-
-**delivery_type**
-Data type: [delivery_type]
-Required: Yes if delivery_date has been specified.
-The delivery name for the package.
+**cooled_delivery**
+Data type: [boolean]
+Required: No
+Cooled_delivery is only valid for cc=NL and with shipment_type 1 or 3.
-**delivery_date**
-Data type: [timestamp]
-Required: Yes if delivery name has been specified.
-The delivery date time for this shipment.
+**delivery_date**
+Data type: [timestamp]
+Required: Yes
+if delivery name has been specified. The delivery date time for this shipment.
-**only_recipient**
-Data type: [boolean]
-Required: No.
-Deliver the package to the recipient only.
+**delivery_type**
+Data type: [delivery_type]
+Required: Yes
+if delivery_date has been specified. The delivery name for the package.
-**signature**
-Data type: [boolean]
-Required: No.
-Package must be signed for.
+**fresh_food**
+Data type: [boolean]
+Required: No
+The shipment contains fresh food and requires special handling
-**return**
-Data type: [boolean]
-Required: No.
-Return the package if the recipient is not home.
+**frozen**
+Data type: [boolean]
+Required: No
+The shipment contains frozen items and requires special handling
-**insurance**
-Data type: [price]
-Required: No.
+**insurance**
+Data type: [price]
+Required: No
Insurance price for the package.
-**large_format**
-Data type: [boolean]
-Required: No.
+**label_description**
+Data type: [string]
+Required: No
+This description will appear on the shipment label. **Note: This will be overridden for return shipment by the following: Retour – 3SMYPAMYPAXXXXXX**
+
+**large_format**
+Data type: [boolean]
+Required: No
Large format package.
-**cooled_delivery**
-Data type: [boolean]
-Required: No.
-Cooled_delivery is only valid for cc=NL and with shipment_type 1 or 3.
+**only_recipient**
+Data type: [boolean]
+Required: No
+Deliver the package to the recipient only.
-**label_description**
-Data type: [string]
-Required: No.
-This description will appear on the shipment label. **Note: This will be overridden for return shipment by the following: Retour – 3SMYPAMYPAXXXXXX**
+**package_type**
+Data type: [package_type]
+Required: yes
+The package type. For international shipment only (package) is allowed.
-**age_check**
-Data type: [boolean]
-Required: No.
-The recipient must sign for the package and must be at least 18 years old.
+**priority_delivery**
+Data type: [boolean]
+Required: No
+If selected, the package will be delivered with high(er) priority (24 hour).
-**receipt_code**
-Data type: [boolean]
-Required: No.
+**receipt_code**
+Data type: [boolean]
+Required: No
The recipient receives a code via email that must be confirmed upon delivery. Requires insurance and recipient email address.
-**saturday_delivery**
-Data type: [boolean]
-Required: No.
-The package will be delivered on a Saturday
+**return**
+Data type: [boolean]
+Required: No
+Return the package if the recipient is not home.
-**fresh_food**
-Data type: [boolean]
-Required: No.
-The shipment contains fresh food and requires special handling
+**saturday_delivery**
+Data type: [boolean]
+Required: No
+The package will be delivered on a Saturday
-**frozen**
-Data type: [boolean]
-Required: No.
-The shipment contains frozen items and requires special handling
+**signature**
+Data type: [boolean]
+Required: No
+Package must be signed for.
### 7.C.2 Example