Ditto for Akkoma (a Pleroma fork) regardless of front end. I reached out to someone else who had a number of entries on their profile and they said they weren't able to either. I wonder if it's in what gets sent/served. I tried curl'ing the URL I have listed and even added it near the top (where it's still clear text) to no avail.
edit: figured it out!
the URL that it can see it is not:
Hat tip to an old copy of documentation that had it: https://188.8.131.52/guides/pleroma