diff --git a/ip/ip.c b/ip/ip.c
index 61cc9c3f..850a0017 100644
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -54,7 +54,7 @@ static void usage(void)
 "                    -f[amily] { inet | inet6 | ipx | dnet | bridge | link } |\n"
 "                    -4 | -6 | -I | -D | -B | -0 |\n"
 "                    -l[oops] { maximum-addr-flush-attempts } |\n"
-"                    -o[neline] | -t[imestamp] | -t[short] | -b[atch] [filename] |\n"
+"                    -o[neline] | -t[imestamp] | -ts[hort] | -b[atch] [filename] |\n"
 "                    -rc[vbuf] [size] | -n[etns] name }\n");
 	exit(-1);
 }