message: update contact channels
diff: @@ -175,8 +175,10 @@ Several `-Z` flags are relevant for miri:
  Check out the issues on this GitHub repository for some ideas. There's lots that
  needs to be done that I haven't documented in the issues yet, however. For more
  -ideas or help with running or hacking on Miri, you can contact me (`scott`) on
  -Mozilla IRC in any of the Rust IRC channels (`#rust`, `#rust-offtopic`, etc).
  +ideas or help with running or hacking on Miri, you can open an issue here on
  +GitHub or contact us (`oli-obk` and `RalfJ`) on the [Rust Zulip].
  +
  +[Rust Zulip]: https://rust-lang.zulipchat.com
  ## History
  