diff --git a/Thinkpad P53.md b/Thinkpad P53.md
index d1b9e1d..3b178aa 100644
--- a/Thinkpad P53.md	
+++ b/Thinkpad P53.md	
@@ -239,7 +239,7 @@ Make the new RAID 1 BTRFS filesystem:
 ```bash
 sudo cryptsetup --allow-discards --persistent open /dev/nvme1n1p1 cryptdata1
 sudo cryptsetup --allow-discards --persistent open /dev/nvme2n1p1 cryptdata2
-sudo mkfs.btrfs --csum blake2b -m raid 1 -d /dev/mapper/cryptdata1 /dev/mapper/cryptdata2
+sudo mkfs.btrfs --csum blake2b -m raid1 -d raid1 /dev/mapper/cryptdata1 /dev/mapper/cryptdata2
 ```
 
 **Take note of the UUID**.
@@ -262,4 +262,4 @@ Finally, add the storage pool:
 
 ```bash
 sudo qvm-pool add varlibqubes2 file-reflink -o dir_path=/var/lib/qubes2
-```
\ No newline at end of file
+```