From 101db63b39d1072f9ddafbaa250d146673ff3780 Mon Sep 17 00:00:00 2001
From: Rong Tao <32674962+Rtoax@users.noreply.github.com>
Date: Fri, 7 Jan 2022 10:34:40 +0800
Subject: [PATCH] `-4` is better

---
 tools/tcpdrop_example.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tcpdrop_example.txt b/tools/tcpdrop_example.txt
index 2adbb6c0..641c8766 100644
--- a/tools/tcpdrop_example.txt
+++ b/tools/tcpdrop_example.txt
@@ -61,7 +61,7 @@ remote end to do timer-based retransmits, hurting performance.
 USAGE:
 
 # ./tcpdrop.py -h
-usage: tcpdrop.py [4 | -6] [-h]
+usage: tcpdrop.py [-4 | -6] [-h]
 
 Trace TCP drops by the kernel
 
-- 
2.34.1