From b8aaee6e720c9267f8a9436f847f1df633b2e609 Mon Sep 17 00:00:00 2001
From: Dominic Spill <dominicgs@gmail.com>
Date: Fri, 3 Feb 2017 12:07:07 -0700
Subject: [PATCH] Correct usage for -d <serial number>

---
 host/hackrf-tools/src/hackrf_operacake.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/host/hackrf-tools/src/hackrf_operacake.c b/host/hackrf-tools/src/hackrf_operacake.c
index 649f9902..0b8405b6 100644
--- a/host/hackrf-tools/src/hackrf_operacake.c
+++ b/host/hackrf-tools/src/hackrf_operacake.c
@@ -34,7 +34,7 @@ typedef int bool;
 static void usage() {
 	printf("\nUsage:\n");
 	printf("\t-h, --help: this help\n");
-	printf("\t-d, --device <n>: specify a particular device by number\n");
+	printf("\t-d, --device <n>: specify a particular device by serial number\n");
 	printf("\t-o, --address <n>: specify a particular operacake by address [default: 0x00]\n");
 	printf("\t-a <n>: set port A connection\n");
 	printf("\t-b <n>: set port B connection\n");