exfatprogs: add label.exfat usage in README
add label.exfat usage in README.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
diff --git a/README.md b/README.md
index 20e2a5b..c41e40b 100644
--- a/README.md
+++ b/README.md
@@ -49,4 +49,13 @@
1. check the consistency.
fsck.exfat /dev/sda1
2. repair and fix.(preparing)
+
+- label.exfat:
+ Get or set volume label from a given device that formatted by exfat filesystem.
+
+Usage example:
+ 1. get volume label.
+ label.exfat -g /dev/sda1
+ 2. set new volume label.
+ label.exfat -s "new label" /dev/sda1
```