Survey creation: Editing 'feedback after submission'

[JenB85]

I'm trying out having a post-meeting survey and I wondered if it is possible to edit the survey completion page? I've found the 'feedback after submission' field in the settings but it is very basic and only allows plain text editing. It would be super helpful to be able to add a hyperlink there, or even just include some paragraph breaks. Is there any way to access advanced settings for this or am I stuck with plain text?