X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/0bc8e0e01ef0b14ed8663f37ce224f35f5fb496b..d4876278a77ed6576073cc6fd81d2ec43eb85733:/tcpdump.1.in

diff --git a/tcpdump.1.in b/tcpdump.1.in
index 2de8daa4..f04a5793 100644
--- a/tcpdump.1.in
+++ b/tcpdump.1.in
@@ -400,7 +400,7 @@ If the
 flag is supported, an interface number as printed by that flag can be
 used as the
 .I interface
-argument.
+argument, if no interface on the system has that number as a name.
 .TP
 .B \-I
 .PD 0