Once spammed comment is approved, doesn’t show up

Hi, comments are showing up just fine on my brand new blog UNLESS one of them gets accidentally sent to spam. I go in and approve it, and it shows it as approved and it’s on the “Edit Comments” page, but it won’t show up on the post’s comments. Any idea why? Here’s the page, if that helps at all: https://tinyurl.com/ptvbck

I’m new to WordPress, so could be I’m doing something stupid, but this seems pretty straightforward to me!

Many thanks in advance for any insight you can offer!