diff --git a/www/api-reference/specs/admin/components/schemas/AdminPostInventoryItemsReq.yaml b/www/api-reference/specs/admin/components/schemas/AdminPostInventoryItemsReq.yaml
index b45c6018b0..f1b14b3f54 100644
--- a/www/api-reference/specs/admin/components/schemas/AdminPostInventoryItemsReq.yaml
+++ b/www/api-reference/specs/admin/components/schemas/AdminPostInventoryItemsReq.yaml
@@ -1,5 +1,10 @@
 type: object
+required:
+  - variant_id
 properties:
+  variant_id:
+    description: The ID of the variant to create the inventory item for.
+    type: string
   sku:
     description: The unique SKU of the associated Product Variant.
     type: string
diff --git a/www/api-reference/specs/admin/paths/admin_inventory-items.yaml b/www/api-reference/specs/admin/paths/admin_inventory-items.yaml
index 248c3cc281..6de9fac40c 100644
--- a/www/api-reference/specs/admin/paths/admin_inventory-items.yaml
+++ b/www/api-reference/specs/admin/paths/admin_inventory-items.yaml
@@ -152,7 +152,7 @@ get:
 post:
   operationId: PostInventoryItems
   summary: Create an Inventory Item
-  description: Create an Inventory Item.
+  description: Create an Inventory Item for a product variant.
   x-authenticated: true
   parameters:
     - in: query