update to newest exfat changes
diff --git a/exfat/mkfs/mkexfatfs.8 b/exfat/mkfs/mkexfatfs.8
index 7d3ffec..5f6ba3d 100644
--- a/exfat/mkfs/mkexfatfs.8
+++ b/exfat/mkfs/mkexfatfs.8
@@ -23,7 +23,7 @@
 .I sectors-per-cluster
 ]
 [
-.B \-v
+.B \-V
 ]
 .I device
 
@@ -55,7 +55,7 @@
 32 KB if volume size is from 256 MB to 32 GB,
 128 KB if volume size is 32 GB or larger.
 .TP
-.BI \-v
+.BI \-V
 Print version and copyright.
 
 .SH EXIT CODES