Tell about the language change parameter

README.md

@@ -1,6 +1,7 @@
 # A simplistic and secure Gemini server
 
-**Vger** is a gemini server supporting virtualhosts and MIME types.
+**Vger** is a gemini server supporting virtualhosts, default language
+choice and MIME types detection.
 
 **Vger** design is relying on inetd and a daemon to take care of
 TLS.  The idea is to delegate TLS and network to daemons which
@@ -83,3 +84,4 @@ Enable inetd and relayd and start them:
 # Todo
 
 - add syslog traces
+- maybe a chroot() for non OpenBSD systems.