Option is -l not -lc, document that.

diff --git a/ipif/udptunnel b/ipif/udptunnel
index e4ce4506c5bfb3850b35a8fc0c7a727d9b3d7425..17b2d06a33517a1fa6cae15f69614df89494b9cb 100755 (executable)
--- a/ipif/udptunnel
+++ b/ipif/udptunnel
@@ -25,8 +25,8 @@
 # udptunnel will userv ipif locally, as
 #    userv root ipif <private-local-addr>,<private-remote-addr>,<mtu>,<proto>
 #                    <extra-local-nets>
-# or, if -lc was given, userv root ipif is replaced with the argument(s) to
-# successive -lc options.
+# or, if -l was given, userv root ipif is replaced with the argument(s) to
+# successive -l options.
 
 # Copyright (C) 1999 Ian Jackson
 #