diff --git a/How-to-Format-SDCard.md b/How-to-Format-SDCard.md
index 01c2699..6874a3c 100644
--- a/How-to-Format-SDCard.md
+++ b/How-to-Format-SDCard.md
@@ -6,6 +6,7 @@ Usually all the Desktop Environment provide it's own GUI partition tool. for exa
 2. Unmount the SD card with `sudo umount /dev/sdX1`.
 
 3. Format the SD card with `sudo mkfs.vfat -F 32 /dev/sdX1`.
+   * if `mkfs.vfat: command not found` install dosfstools dependency (eg: `sudo pacman -S dosfstools`)
 
 4. (Optional) Label the SD card with `sudo mkfs.vfat -F 32 -n "SDCARD" /dev/sdX1`.