DocMerge - URL ignoring the text= flag

Hi!

I am utilising DocMerge to pull in a url for a product on a quote. Customer wants to include a link to the products page on their website. I have added this to my DocMerge - {venue.website text='More Details' format='url'} i have tried this and swapping the format and text the other way round but all I get is url showing in my doc, not the More Details text that i need.

Any help appreciated