doc: Add direct link to matrix channel [skip ci]
@@ -34,7 +34,8 @@ read [this beginner guide](SimpleStart.md) to get started.
There are two main methods of connecting with other Meson
developers. The easiest way for most people is a web chat. The channel
to use is `#mesonbuild` either via Matrix ([web
-interface](https://element.io)) or [OFTC IRC](https://www.oftc.net/).
+interface](https://app.element.io/#/room/#mesonbuild:matrix.org)) or
+[OFTC IRC](https://www.oftc.net/).
The second one is the mailing list, which is hosted at
[Google Groups](https://groups.google.com/forum/#!forum/mesonbuild).
