Updated API from documentation release

Author: ct-sdks[bot]

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

@@ -64,6 +64,8 @@ properties:
     description: |
       Total price of this Line Item equalling `price` multiplied by `quantity`. If the Line Item is discounted, the total price is the `discountedPricePerQuantity` multiplied by `quantity`.
       Includes taxes if the [TaxRate](ctp:api:type:TaxRate) `includedInPrice` is `true`.
+
+      If `ExternalPrice` [LineItemPriceMode](#ctp:api:type:LineItemPriceMode) is used with high-precision money, then the total price is rounded by using the `HalfEven` rounding mode.
   discountedPricePerQuantity:
     type: DiscountedLineItemPriceForQuantity[]
     description: |