Editing Word content control text without deleting it

Hi all,

Hopefully a simple one. 

I'm using PowerAutomate to scrape data and populate a Word template using content control as the locations for where the data should land - that all works fine.

Occasionally the users will need to update the text that's scraped.  Trouble is when they do so the existing text is deleted.  I'd like the users to be able to manually update the text rather than having to start again.

I've played with the checkboxes in Properties but no luck.  Any ideas?