From 452cfc1c55f8d5863771e55a9e114a4818c32373 Mon Sep 17 00:00:00 2001
From: CuttySark1869 <yunjie.gu1@gmail.com>
Date: Sun, 5 Mar 2023 21:58:09 +0000
Subject: [PATCH] update readme

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 774b72a..75ec062 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Usage: $0 [-adhrsvzZ] imagefile.img [newimagefile.img]
   -Z         Compress image after shrinking with xz
   -a         Compress image in parallel using multiple cores
   -d         Write debug messages in a debug log file
-  -n         The first input is device, not file
+  -n         Accept an input that is not a file (e.g. a tf card)
 ```
 
 If you specify the `newimagefile.img` parameter, the script will make a copy of `imagefile.img` and work off that. You will need enough space to make a full copy of the image to use that option.