Update LightningInABox.md

docs/Deployment/LightningInABox.md

@@ -127,9 +127,9 @@ fdisk /dev/sda
 # type 'n' to create a new partition
 # type 'w' to write the new partition table and exit fdisk
 mkfs.ext4 /dev/sda1
-mkdir /mnt/docker
+mkdir /mnt/usb
 UUID="$(sudo blkid -s UUID -o value /dev/sda1)"
-echo "UUID=$UUID /mnt/docker ext4 defaults,noatime,nofail 0 0" | sudo tee -a /etc/fstab
+echo "UUID=$UUID /mnt/usb ext4 defaults,noatime,nofail 0 0" | sudo tee -a /etc/fstab
 mount -a
 ```
 
@@ -138,7 +138,7 @@ mount -a
 ```bash
 rm -rf /var/lib/docker
 mkdir -p /var/lib/docker
-mount --bind /mnt/docker /var/lib/docker
+mount --bind /mnt/usb /var/lib/docker
 echo "/mnt/docker /var/lib/docker none bind,nobootwait 0 2" >> /etc/fstab
 systemctl restart docker
 ```