docs: add very basic --sctp documentation to manual page

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/mtr.8.in b/mtr.8.in
index 404024d415ac627789bb62b3f1dbffc1b6410448..2d50d903c2e4541eecc0699a870f36b0dfc214af 100644 (file)
--- a/mtr.8.in
+++ b/mtr.8.in
@@ -95,6 +95,9 @@ mtr \- a network diagnostic tool
 .B \-\-tcp\c
 ]
 [\c
+.BI \-\-sctp\c
+]
+[\c
 .BI \-P \ PORT\c
 ]
 [\c
@@ -400,6 +403,9 @@ Use TCP SYN packets instead of ICMP ECHO.
 .I PACKETSIZE
 is ignored, since SYN packets can not contain data.
 .TP
+.B \-S\fR, \fB\-\-sctp
+Use Stream Control Transmission Protocol packets instead of ICMP ECHO.
+.TP
 .B \-P \fIPORT\fR, \fB\-\-port \fIPORT
 The target port number for TCP/SCTP/UDP traces.
 .TP