Requisition Copy and Edit Item Description

I am on 12.1.3 and wanted to know if it possible to edit / ammend the line item descriptions when creating a requsition using copy functionality ?

1. I have created a requsition A which has 3 lines, for each line i have entered Item Description as free text per what i want. Item Type is Goods.

2. After i submitted this requisition, i copied it as B.

For B, i am able to change Requisition Description, but see no option to change Item Description. Is it possible to change Item Description ?

Because if this limitation, my client is not using copy functionality and always creating a new one and not happy with it.