You have to escape the dash, otherwise it becomes a bullet point.

If you format the link as !community@instance.tld it will be a clickable link (in this case it would be !geocaching@lemmy.world).

You can put spoilers in

Source:

You can put spoilers in
::: spoiler spoiler tags.
Hello!
:::

Or just go to https://lemmyverse.net/

This is a great list of communities! Nice to see that !illegallysmolbirbs@mander.xyz made it on here.

!dadjokes@lemmy.world

I think it is still is useful, as some software still hasn’t figured out how to turn on numlock automatically, and for a few applications number pad scrolling can be better than the arrow keys, but it is probably less useful than the scroll lock key at this point.