diff --git a/encrypt-swap-Ubuntu-20.04.md b/encrypt-swap-Ubuntu-20.04.md
index 15d9dc1..09ad8b7 100644
--- a/encrypt-swap-Ubuntu-20.04.md
+++ b/encrypt-swap-Ubuntu-20.04.md
@@ -6,7 +6,7 @@
 * install ecryptfs
 
 ~~~{bat}
-install apt-get install ecryptfs-utils
+root@laptop:/root# install apt-get install ecryptfs-utils
 ~~~
 
 ## encrypt swap
@@ -14,20 +14,20 @@ install apt-get install ecryptfs-utils
 * turn off current swap
 
 ~~~
-swapoff -a
+root@laptop:/root# swapoff -a
 ~~~
 
 * encrypt swap partition
 
 ~~~
-cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
-cryptsetup open /dev/nvme0n1p2 cryptswap
+root@laptop:/root# cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
+root@laptop:/root# cryptsetup open /dev/nvme0n1p2 cryptswap
 ~~~
 
 * set up the crypt partition as swap.
 
 ~~~
-mkswap /dev/mapper/cryptswap
+root@laptop:/root# mkswap /dev/mapper/cryptswap
 ~~~
 
 * ajust **/etc/fstab** to use your mapper, replace your encrypt swap device like bellow :
@@ -45,19 +45,19 @@ cryptswap   /dev/nvme0n1p2		none	luks
 * enable swap
 
 ~~~
-swapon -a
+root@laptop:/root# swapon -a
 ~~~
 
 * edit **/etc/initramfs-tools/conf.d/resume**. Replace the existing **RESUME** line with the following line.
 
 ~~~
-printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
+root@laptop:/root# printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
 ~~~
 
 * Register these changes.
 
 ~~~
-update-initramfs -u -k all
+root@laptop:/root# update-initramfs -u -k all
 ~~~
 
 ### to be solve