Change default 'product not found' text for sold/hidden items

[squinn]

Hi - I have my store set to hide items once they are sold, as I'm selling individual/unique products.

When someone clicks on a link that goes to a sold/hidden product it currently says 'product not found'

I'd like to change that text to mention product has been sold, and link to my home page.  I have tried storefront>language>product>product.xml  where I found text 'product not found' but despite clearing cache no changes are showing. Not sure this is the right spot, and have searched other language pages but can't find any where else with that text.

Any ideas?

Thank you all.

[Basara]

Hello.
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