add reference to slack bridge

index.html

@@ -46,7 +46,8 @@
 <p><a href="https://github.com/matrix-org/matrix-hookshot/">matrix-hookshot</a> / Webhooks / Feeds</p>
 <p><a href="https://github.com/mautrix/discord">mautrix-discord</a> / Discord</p>
 <p><a href="https://github.com/mautrix/meta">mautrix-meta</a> / Instagram</p>
-<p><a href="https://github.com/mautrix/siganl">mautrix-signal</a> / Signal</p>
+<p><a href="https://github.com/mautrix/signal">mautrix-signal</a> / Signal</p>
+<p><a href="https://github.com/mautrix/slack">mautrix-slack</a> / Slack</p>
 <p><a href="https://github.com/mautrix/telegram">mautrix-telegram</a> / Telegram</p>
 <p><a href="https://github.com/mautrix/whatsapp">mautrix-whatsapp</a> / WhatsApp</p>
 <p><a href="https://gitea.lubiland.de/lub/snowstorm-matrix">snowstorm-matrix</a> / Blizzard Feeds</p>