How to configure Expense offline template for the additional expense fields (Not DFFs)

We are on version 12.1.3 and we use the offline spreadsheet template to allow users to enter and import their expense reports.  For some of our expense types, we enabled a few of the additional expense fields that are found at: Internet Expenses Setup and Administration > Internet Expenses Setup > Policy > Expense Fields.  For example, we have an Expense type called Meals that we associated to the Expense Category "Meals" where we enabled the 2 expense fields "Number of Attendees" and "Attendees".

I've tried performing the steps in this document and was not successful in adding these additional expense fields.  It seems that these steps may be for adding in DFF's, not the expense fields.