Fix README

README.md

@@ -6,13 +6,13 @@ required. The demo is a primitive chat application that uses [meta
 feeds] to split each group into their own feed. This means that you
 will only store data for the groups you are a part of. Furthermore the
 classic follow/block paradigm is used for replication within a certain
-hop distance. Data is transferred between nodes via a room server.
+hop distance. Data is transferred between nodes via a [rooms] server.
 
 ![Screenshot of groupies demo][screenshot]
 
 [private groups]: https://github.com/ssbc/private-group-spec
 [ssb-browser-core]: https://github.com/arj03/ssb-browser-core
 [meta feeds]: https://github.com/ssb-ngi-pointer/ssb-meta-feeds-spec
-[room]: https://github.com/ssb-ngi-pointer/go-ssb-room
+[rooms]: https://github.com/ssb-ngi-pointer/go-ssb-room
 [screenshot]: assets/buttchat.jpg