Export of order data is incorrect

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Why does the csv of the exported order data show incorrect information with orders that have been edited? My shop is only live for three days and I use the exported data to create production lists in Excel (my products are handmade to order) and I noticed that on the two edited orders, (one with a removed product and one with a replaced product) the original products are still present in the csv output. 

That's not so nice, if I don't watch out, I end up making products for nothing!!