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-rw-r--r--include/usage.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/usage.h b/include/usage.h
index de2484aba..c8984e99b 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -46,7 +46,7 @@
"\t-v\t\tverbosely list files processed"
#define arping_trivial_usage \
- "[-fqbDUA] [-c count] [-w timeout] [-I device] [-s sender] target"
+ "[-fqbDUA] [-c count] [-w timeout] [-i device] [-s sender] target"
#define arping_full_usage \
"Ping hosts by ARP requests/replies.\n\n" \
"Options:\n" \
@@ -58,7 +58,7 @@
"\t-A\t\tARP answer mode, update your neighbours\n" \
"\t-c count\tStop after sending count ARP request packets\n" \
"\t-w timeout\tTime to wait for ARP reply, in seconds\n" \
- "\t-I device\tOutgoing interface name, default is eth0\n" \
+ "\t-i device\tOutgoing interface name, default is eth0\n" \
"\t-s sender\tSet specific sender IP address\n" \
"\ttarget\t\tTarget IP address of ARP request"