Add link to alpha release channel to install.md

content/install.md

@@ -10,7 +10,7 @@ author: "Monal"
 |--------|----------------------------------------------------------|----------------------------------------------------------|---------------------------------------------|
 | Stable | [App Store](https://apps.apple.com/app/id317711500)      | [App Store](https://apps.apple.com/app/id1637078500)     | brew install \-\-cask monal                                            |
 | Beta   | [Testflight Invitation](https://testflight.apple.com/join/lLLlgHpB) | [Testflight Invitation](https://testflight.apple.com/join/tGH2m5vf) | brew install \-\-cask monal@beta |
-| Alpha  | upon request to [[email protected]](mailto:[email protected])<br>Then download from our [alpha download site](https://downloads.monal-im.org/monal-im/alpha/)              |                                                          | brew tap monal-im/homebrew-monal-alpha<br>brew install \-\-cask monal-alpha |
+| Alpha  | upon request to [[email protected]](mailto:[email protected])<br>Then download from our [alpha download site](https://downloads.monal-im.org/monal-im/alpha/)<br><br>You can get updates about alpha releases by joining this channel: [[email protected]](xmpp:[email protected]?join)              |                                                          | brew tap monal-im/homebrew-monal-alpha<br>brew install \-\-cask monal-alpha<br><br>You can get updates about alpha releases by joining this channel: [[email protected]](xmpp:[email protected]?join) |
 
 # Features
 Monal currently covers the following chat features: