Invisible note for clients in Invoices

[hadi]

Hello
Would you please add custom fields for invoices;
We have some internal notes which needed to add to invoices and not visible for clients ;
Currently all description we added to notes are visible by clients and ask us about that ;
Thanks

 

[hadi]

@matt,
Is it possible to consider this in future versions not important when but consider if possible.
Maybe possible to add custom fields for invoice page like something you have for profiles or packages