diff --git a/docs/email-clients.md b/docs/email-clients.md
index 414b4aab..e9e03575 100644
--- a/docs/email-clients.md
+++ b/docs/email-clients.md
@@ -25,7 +25,7 @@ OpenPGP also does not support [forward secrecy](https://en.wikipedia.org/wiki/Fo
 
 ![Thunderbird logo](assets/img/email-clients/thunderbird.svg){ align=right }
 
-**Thunderbird** is a free, open-source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client developed by the Thunderbird community, and previously by the Mozilla Foundation.
+**Thunderbird** is a free, open-source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Matrix) client developed by the Thunderbird community, and previously by the Mozilla Foundation.
 
 [:octicons-home-16: Homepage](https://www.thunderbird.net){ .md-button .md-button--primary }
 [:octicons-eye-16:](https://www.mozilla.org/privacy/thunderbird){ .card-link title="Privacy Policy" }