iExpenses - expense template item is AP Invoice Line description - not justification

We have set up an expense template to be used for credit card transactions and the expense items in the template relate to the expense code (ie. Office supplies, equipment, travel, etc) and the Justification is a required field in iExpenses. We expected that the description entered in the Justification would be uploaded to the AP Invoice line in the description field. However, the AP invoice line description is as the expense template is defined - Office Supplies, Equipment, Travel, and the Justification infor4mation appears in another column in the Invoice lines table. Reports run by users such as Account