diff -up ./contrib/doc/cjdns-online.md.man ./contrib/doc/cjdns-online.md
--- ./contrib/doc/cjdns-online.md.man	2016-10-11 17:39:44.000000000 -0400
+++ ./contrib/doc/cjdns-online.md	2016-11-06 23:15:32.528962680 -0500
@@ -25,6 +25,9 @@ thttpd at boot, for example.
   * `-x`, `--exit`:		
     Exit immediately if cjdns is not online
 
+  * `-i`, `--interface`:
+    Output interface name instead of IP 
+
   * `-q`, `--quiet`:
     Don't print anything