Change list of public servers, old as not functional

The old link returned a 404 so I thought I throw in joinmatrix.org :)

docs/faq.md

@@ -55,7 +55,7 @@ There are 3 ways to get into Martix, depending on your technical ability and nee
 
 - **using the existing default server** - the easiest way is to use an existing server. The largest public Matrix server is `matrix.org` and it's configured as a default server in clients such as [Element](https://element.io) and many others. Just use Element on the browser via that link (or download the Element app on a smartphone), create an account and start chatting.
 
-- **using some other server** - instead of using the largest public server (`matrix.org`), you can use another public one. Here's a [list of public Matrix servers](https://publiclist.anchel.nl/) to choose from. Again, you download [Element](https://element.io) or [some other client](https://matrix.org/clients/) of your choosing and adjust the homeserver URL during login.
+- **using some other server** - instead of using the largest public server (`matrix.org`), you can use another public one. Here's a [list of public Matrix servers](https://joinmatrix.org/servers/) to choose from. Again, you download [Element](https://element.io) or [some other client](https://matrix.org/clients/) of your choosing and adjust the homeserver URL during login.
 
 - **using your own server** - running your own server puts you in ultimate control of your data. It also lets you have your own user identifiers (e.g. `@bob:your-domain.com`). See [How do I set up my own Matrix server](#how-do-i-set-up-my-own-matrix-server).