--- vtund.8.orig	2016-09-17 13:01:21.000000000 -0700
+++ vtund.8	2016-09-19 20:38:04.531515000 -0700
@@ -48,6 +48,12 @@
 [ 
 .I -n 
 ] 
+[ 
+.I -e 
+] 
+[ 
+.I -s pid_file 
+] 
 <
 .I session 
 >
@@ -116,6 +122,14 @@
 Default is 30 seconds. This options is equivalent to the 'timeout' option of
 config file.
 .TP
+.I -e
+Use vtun-v6 extended mode.
+.TP
+.I -z pid_file
+Connect 
+.I z pid_file
+The full pathname of the file containing the PID of the daemon in server mode.
+.TP
 .I session 
 Session name from the config file.
 .TP