diff --git a/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS.rst b/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS.rst
index 7c80506..7038621 100644
--- a/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS.rst	
+++ b/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS.rst	
@@ -374,7 +374,7 @@ Step 2: Disk Formatting
 #. Create the boot pool::
 
      zpool create \
-         -o ashift=12 -d \
+         -o ashift=12 -o autotrim=on -d \
          -o feature@async_destroy=enabled \
          -o feature@bookmarks=enabled \
          -o feature@embedded_data=enabled \
@@ -444,7 +444,7 @@ Step 2: Disk Formatting
    - Unencrypted::
 
        zpool create \
-           -o ashift=12 \
+           -o ashift=12 -o autotrim=on \
            -O acltype=posixacl -O canmount=off -O compression=lz4 \
            -O dnodesize=auto -O normalization=formD -O relatime=on \
            -O xattr=sa -O mountpoint=/ -R /mnt \
@@ -453,7 +453,7 @@ Step 2: Disk Formatting
    - ZFS native encryption::
 
        zpool create \
-           -o ashift=12 \
+           -o ashift=12 -o autotrim=on \
            -O encryption=aes-256-gcm \
            -O keylocation=prompt -O keyformat=passphrase \
            -O acltype=posixacl -O canmount=off -O compression=lz4 \
@@ -466,7 +466,7 @@ Step 2: Disk Formatting
        cryptsetup luksFormat -c aes-xts-plain64 -s 512 -h sha256 ${DISK}-part4
        cryptsetup luksOpen ${DISK}-part4 luks1
        zpool create \
-           -o ashift=12 \
+           -o ashift=12 -o autotrim=on \
            -O acltype=posixacl -O canmount=off -O compression=lz4 \
            -O dnodesize=auto -O normalization=formD -O relatime=on \
            -O xattr=sa -O mountpoint=/ -R /mnt \