doc: escape minus sign in manpages
groff formats '-' as a hyphen, and '\-' is needed for a minus.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/extensions/libip6t_LOG.man b/extensions/libip6t_LOG.man
index 9d51fd4..b7803fe 100644
--- a/extensions/libip6t_LOG.man
+++ b/extensions/libip6t_LOG.man
@@ -10,22 +10,22 @@
separate rules with the same matching criteria, first using target LOG
then DROP (or REJECT).
.TP
-.BI "--log-level " "level"
+\fB\-\-log\-level\fP \fIlevel\fP
Level of logging (numeric or see \fIsyslog.conf\fP(5)).
.TP
-.BI "--log-prefix " "prefix"
+\fB\-\-log\-prefix\fP \fIprefix\fP
Prefix log messages with the specified prefix; up to 29 letters long,
and useful for distinguishing messages in the logs.
.TP
-.B --log-tcp-sequence
+\fB\-\-log\-tcp\-sequence\fP
Log TCP sequence numbers. This is a security risk if the log is
readable by users.
.TP
-.B --log-tcp-options
+\fB\-\-log\-tcp\-options\fP
Log options from the TCP packet header.
.TP
-.B --log-ip-options
+\fB\-\-log\-ip\-options\fP
Log options from the IPv6 packet header.
.TP
-.B --log-uid
+\fB\-\-log\-uid\fP
Log the userid of the process which generated the packet.