Add xmlns attribute to ISO 20022 EFT file

The ISO 20022 format generates the following header:

<?xml version="1.0" encoding="UTF-8"?>
<Document>

Bank of America needs the following namespace attributes:

<?xml version="1.0" encoding="UTF-8"?>
<Document xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.02" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

Is there any way to add this in GP 10.00.1368?  I can edit the XML Tag, but I can only fit about half of that in there.

Thanks!

-Ian-