libipt_ttl: document that negation is available

Glitch since commit v1.2.1~75.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

diff --git a/extensions/libipt_ttl.c b/extensions/libipt_ttl.c
index 6370cb6748616722babef7285c00fd32740169c7..5fe08ccd83ac9f9e4e98f2cb0f2a0e6d7550ef1e 100644 (file)
--- a/extensions/libipt_ttl.c
+++ b/extensions/libipt_ttl.c
@@ -20,7 +20,7 @@ static void ttl_help(void)
 {
        printf(
 "ttl match options:\n"
-"  --ttl-eq value      Match time to live value\n"
+"[!] --ttl-eq value    Match time to live value\n"
 "  --ttl-lt value      Match TTL < value\n"
 "  --ttl-gt value      Match TTL > value\n");
 }

diff --git a/extensions/libipt_ttl.man b/extensions/libipt_ttl.man
index 849f70423b7f890d36da7f50034a6aa3bfd0467f..1f322779e14284fb343aa54e6f399b4f27972f24 100644 (file)
--- a/extensions/libipt_ttl.man
+++ b/extensions/libipt_ttl.man
@@ -1,6 +1,6 @@
 This module matches the time to live field in the IP header.
 .TP
-\fB\-\-ttl\-eq\fP \fIttl\fP
+[\fB!\fP] \fB\-\-ttl\-eq\fP \fIttl\fP
 Matches the given TTL value.
 .TP
 \fB\-\-ttl\-gt\fP \fIttl\fP