diff --git a/right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install.md b/right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install.md
index ee581ff..e937ea8 100644
--- a/right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install.md
+++ b/right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install.md
@@ -122,13 +122,13 @@ GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/mapper/swapDevice"
 update-grub
 ~~~
 
-Now ajust /etc/fstab to use your mapper, replace your swap UUID device to :
+Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
 
 ~~~
-/dev/mapper/swapDevice   none   swap   discard   0   0
+/dev/nvme0n1p2   none   swap   discard   0   0
 ~~~
 
-/etc/crypttab
+remove your encrypt swap device define in /etc/crypttab
 
 ~~~
 swapDevice   /dev/nvme0n1p2		none	luks
@@ -144,6 +144,33 @@ Register these changes.
 update-initramfs -u -k all
 ~~~
 
+## disable encrypt swap partition
+
+* Turn off swap
+
+~~~
+swapoff /dev/mapper/cryptswap1
+~~~
+
+* remove your encrypt swap device define in your /etc/crypttab 
+
+~~~
+cryptsetup luksClose /dev/mapper/cryptswap1
+~~~
+
+Now ajust /etc/fstab to use your mapper, remove your swap UUID device to :
+
+~~~
+/dev/nvme0n1p2   none   swap   discard   0   0
+~~~
+
+Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to
+
+~~~
+GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2"
+~~~
+
+
 ### to be solve
 
 ~~~