doc update to reflect new -r option semantics

1 files changed, 9 insertions, 5 deletions

diff --git a/rsyslogd.8 b/rsyslogd.8
index 61ea7925..95c45e29 100644
--- a/rsyslogd.8
+++ b/rsyslogd.8
@@ -160,11 +160,15 @@ machine. When specified, no local log socket is opened at all.
 You can specify an alternative unix domain socket instead of
 .IR /dev/log "."
 .TP
-.B "\-r"
-This option will enable the facility to receive message from the
-network using an internet domain socket with the syslog service (see 
-.BR services (5)).
-The default is to not receive any messages from the network.
+.B "\-r " "port"
+Activates the syslog/udp listener service. The listener
+will listen to the specified port. Please note that a 
+port must be specified in any case. This is different from
+the stock sysklogd package. If you would like to use
+the system's default port, specify 0 as the port number. That
+will result in an /etc/services lookup for the actual port
+number. If the "-r" option is not given, no syslog/udp listner
+is available.
 .TP
 .BI "\-s " "domainlist"
 Specify a domainname that should be stripped off before