app: fix usage help of options separated by dashes
[dpdk.git] / app / pdump / main.c
index d05a023..c38c537 100644 (file)
@@ -151,7 +151,7 @@ static uint8_t multiple_core_capture;
 static void
 pdump_usage(const char *prgname)
 {
-       printf("usage: %s [EAL options]"
+       printf("usage: %s [EAL options] --"
                        " --["CMD_LINE_OPT_MULTI"]\n"
                        " --"CMD_LINE_OPT_PDUMP" "
                        "'(port=<port id> | device_id=<pci id or vdev name>),"