Updated API from documentation release

Author: ct-sdks[bot]

api-specs/api/types/cart/CustomLineItem.raml

@@ -53,7 +53,7 @@ properties:
   state:
     type: ItemState[]
     description: |
-      State of the Custom Line Item in the [Cart](ctp:api:type:Cart) or [Order](ctp:api:type:Order).
+      Tracks specific quantities of the Custom Line Item within a given State. When a Custom Line Item is added to a Cart, its full quantity is set to the built-in "Initial" state. State transitions for Custom Line Items are managed on the [Order](ctp:api:type:Order).
   taxCategory?:
     type: TaxCategoryReference
     description: |

api-specs/api/types/cart/LineItem.raml

@@ -82,7 +82,7 @@ properties:
   state:
     type: ItemState[]
     description: |
-      State of the Line Item in the [Cart](ctp:api:type:Cart) or the [Order](ctp:api:type:Order).
+      Tracks specific quantities of the Line Item within a given State. When a Line Item is added to a Cart, its full quantity is set to the built-in "Initial" state. State transitions for Line Items are managed on the [Order](ctp:api:type:Order).
   taxRate?:
     type: TaxRate
     description: |

api-specs/api/types/state/StateTypeEnum.raml

@@ -5,7 +5,8 @@ description: |
   Resource or object type the State can be assigned to.
 (enumDescriptions):
   OrderState: Used by [Orders](ctp:api:type:Order).
-  LineItemState: Used by [LineItems](ctp:api:type:LineItem) and [CustomLineItems](ctp:api:type:CustomLineItem) in [Carts](ctp:api:type:Cart) and [Orders](ctp:api:type:Order).
+  LineItemState: Used by [LineItems](ctp:api:type:LineItem) and [CustomLineItems](ctp:api:type:CustomLineItem) in [Carts](ctp:api:type:Cart) and [Orders](ctp:api:type:Order), with the `builtin` field always set to `true` by default. In addition, the `initial` field is set to `true` upon creation.
+
   ProductState: Used by [Products](ctp:api:type:Product).
   ReviewState: Used by [Reviews](ctp:api:type:Review).
   PaymentState: Used by [PaymentStatus](ctp:api:type:PaymentStatus) in [Payments](ctp:api:type:Payment).