1 files changed, 3 insertions, 0 deletions
diff --git a/ifpps.8 b/ifpps.8
index 7ce7bab..20b7fe9 100644
--- a/ifpps.8
+++ b/ifpps.8
@@ -75,6 +75,9 @@ absolute) and software interrupts.
 .SS -p, --promisc
 Turn on promiscuous mode for the given networking device.
 .PP
+.SS -P, --percentage
+Show percentage of current throughput in relation to theoretical line rate.
+.PP
 .SS -W, --no-warn
 Suppress possible warnings in the ncurses output, e.g. about a too low sampling
 interval that could cause performance regression.