fix Zusam

README.md

@@ -484,7 +484,7 @@ _[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)/[IPBX](https:/
 - [twtxt.net](https://twtxt.net) - a Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data! ([Source Code](https://github.com/prologic/twtxt) `MIT` `Go`
    - [rss2twtxt](https://github.com/prologic/rss2twtxt) - An RSS/Atom feed aggregator command-line tool and web service that consume RSS/Atom and produces twtxt.net feeds for consumption by twtxt clients. ([Demo](https://feeds.twtxt.net)) `MIT` `Go`
 - [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software. ([Source Code](https://github.com/vanilla/vanilla)) `GPL-2.0` `PHP`
-- [Zusam](https://zusam.org) - Free and open-source way to self-host private forums for groups of friends or family. ([Demo](https://demo.zusam.org), [Source Code](https://github.com/zusam/zusam), `AGPL-3.0` `PHP`
+- [Zusam](https://zusam.org) - Free and open-source way to self-host private forums for groups of friends or family. ([Demo](https://demo.zusam.org), [Source Code](https://github.com/zusam/zusam)) `AGPL-3.0` `PHP`
 
 ### XMPP