diff --git a/encrypt-swap-Ubuntu-20.04.md b/encrypt-swap-Ubuntu-20.04.md
index 022cffb..79debd7 100644
--- a/encrypt-swap-Ubuntu-20.04.md
+++ b/encrypt-swap-Ubuntu-20.04.md
@@ -1,62 +1,50 @@
-## prerequisite
-
-* all command bellow are run has root
-
-## encrypt swap partition
-
-sources :
-* [wiki.archlinux.org - dm-crypt/Swap encryption](https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#LVM_on_LUKS)
-* [help.ubuntu.com - Enable Hibernate With Encrypted Swap](https://help.ubuntu.com/community/EnableHibernateWithEncryptedSwap)
-
-~~~
-apt-get install ecryptfs-utils
-swapoff -a
-cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
-cryptsetup open /dev/nvme0n1p2 cryptswap
-mkswap /dev/mapper/cryptswap
-~~~
-
-/!\ le point ci-dessous est sans doute inutile
-
-* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to remove resume part wich is now manage by initramfs
-
-~~~
-GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
-~~~
-
-~~~
-update-grub
-~~~
-
-Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
-
-~~~
-/dev/mapper/cryptswap   none   swap   discard   0   0
-~~~
-
-add your encrypt swap device define in /etc/crypttab
-
-~~~
-cryptswap   /dev/nvme0n1p2		none	luks
-~~~
-
-~~~
-swapon -a
-~~~
-
-~~~
-printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
-~~~
-
-Register these changes.
-
-~~~
-update-initramfs -u -k all
-~~~
-
-### to be solve
-
-~~~
-cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
-cryptsetup: WARNING: Couln't determine root device
-~~~
+## prerequisite
+
+* all command bellow are run has root
+
+## encrypt swap partition
+
+sources :
+* [wiki.archlinux.org - dm-crypt/Swap encryption](https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#LVM_on_LUKS)
+* [help.ubuntu.com - Enable Hibernate With Encrypted Swap](https://help.ubuntu.com/community/EnableHibernateWithEncryptedSwap)
+
+~~~
+apt-get install ecryptfs-utils
+swapoff -a
+cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
+cryptsetup open /dev/nvme0n1p2 cryptswap
+mkswap /dev/mapper/cryptswap
+~~~
+
+Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
+
+~~~
+/dev/mapper/cryptswap   none   swap   discard   0   0
+~~~
+
+add your encrypt swap device define in /etc/crypttab
+
+~~~
+cryptswap   /dev/nvme0n1p2		none	luks
+~~~
+
+~~~
+swapon -a
+~~~
+
+~~~
+printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
+~~~
+
+Register these changes.
+
+~~~
+update-initramfs -u -k all
+~~~
+
+### to be solve
+
+~~~
+cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
+cryptsetup: WARNING: Couln't determine root device
+~~~