Updated API from documentation release

Author: ct-sdks[bot]

api-specs/import/types/standalone-price-import.raml

@@ -30,21 +30,21 @@ types:
         type: common.TypedMoney
       country?:
         description: |
-          Sets the country for which this Price is valid.
+          Sets the country for this Price, if the Price does not yet have a country.
 
-          The value cannot be updated. Attempting to update the value will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
+          The country cannot be updated. Attempting to update the an existing country will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
         type: common.CountryCode
       customerGroup?:
         description: |
-          Sets the CustomerGroup for which this Price is valid.
+          Sets the CustomerGroup for this Price, if the Price does not yet have a CustomerGroup.
 
-          The value cannot be updated. Attempting to update the value will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
+          The CustomerGroup cannot be updated. Attempting to update an existing CustomerGroup will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
         type: common.CustomerGroupKeyReference
       channel?:
         description: |
-          Sets the product distribution Channel for which this Price is valid.
+          Sets the product distribution Channel for this Price, if the Price does not yet have a Channel.
 
-          The value cannot be updated. Attempting to update the value will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
+          The Channel cannot be updated. Attempting to update an existing Channel will result in an [InvalidFieldsUpdate](/import-export/error#invalidfieldsupdateerror) error.
         type: common.ChannelKeyReference
       validFrom?:
         description: |