diff --git a/HowtoSecureMailServer.page b/HowtoSecureMailServer.page
index c5eb165..13f39b2 100644
--- a/HowtoSecureMailServer.page
+++ b/HowtoSecureMailServer.page
@@ -19,6 +19,17 @@ Notes...
 Enjoy you crypted `/var` volume!
 
 ```
+root@machine:~# cryptsetup luksDump /var.img 
+LUKS header information for /var.img
+
+Version:        1
+Cipher name:    aes
+Cipher mode:    xts-plain64
+Hash spec:      sha256
+Payload offset: 4096
+MK bits:        512
+[…]
+
 root@machine:~# df -h /var
 Filesystem               Size  Used Avail Use% Mounted on
 /dev/mapper/crypted-var   35G  861M   32G   3% /var