diff --git a/docs/howto.md b/docs/howto.md
index 42cdb62..fc73eec 100644
--- a/docs/howto.md
+++ b/docs/howto.md
@@ -1,99 +1,84 @@
-
 # How to make rootfs writable
-
 1. Open Citadel terminal
-
-2. Su to root
-
-    $ su
-
+2. `su` to root
+  ```
+  $ su
+  ```
 3. Remount root as read-write
-
-    # mount -o remount,rw /
+  ```
+  # mount -o remount,rw /
+  ```
 
 # How to change timezone
-
 1. Make rootfs writable
-
 2. Run Setting application in Gnome, change timezone in Details -> Date & Time
 
 # How to change Gnome lock screen passwd
-
 1. Open Citadel terminal
-
 2. Generate new password with openssl
-
-    $ openssl passwd
-    Password: 
-    Verifying - Password: 
-    sGYyWXqDuh64g
-
-3. Su to root
-
-    $ su
-
+  ```
+  $ openssl passwd
+  Password: 
+  Verifying - Password: 
+  sGYyWXqDuh64g
+  ```
+3. `su` to root
 4. Make rootfs writable
-
-    # mount -o remount,rw /
-
+  ```
+  # mount -o remount,rw /
+  ```
 5. Copy new password hash into /etc/shadow
-
-    # vim /etc/shadow
+  ```
+  # vim /etc/shadow
+  ```
 
 # How to install image update
-
 1. Open Citadel terminal
-
-2. Su to root
-
+2. `su` to root
 3. Determine if current boot is from rootfsA or rootfsB.  Make sure you don't overwrite the currently mounted rootfs partition!
-
-    # findmnt /
-    TARGET SOURCE                      FSTYPE OPTIONS
-    /      /dev/mapper/citadel-rootfsA ext2   rw,relatime,errors=continue,user_xattr
-
+  ```
+  # findmnt /
+  TARGET SOURCE                      FSTYPE OPTIONS
+  /      /dev/mapper/citadel-rootfsA ext2   rw,relatime,errors=continue,user_xattr
+  ```
 4. Locate the rootfs update image you want to install
-
-    # file /storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2 
-    /storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2: Linux rev 1.0 ext2 filesystem data, UUID=d9dd20e9-9286-4c60-9dc3-37c68e36481c (large files)
-
+  ```
+  # file /storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2 
+  /storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2: Linux rev 1.0 ext2 filesystem data, UUID=d9dd20e9-9286-4c60-9dc3-37c68e36481c (large files)
+  ```
 5. Write to the correct partition with dd command.
-
-    # dd if=/storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2 of=/dev/mapper/citadel-rootfsB bs=4M
-    255+1 records in
-    255+1 records out
-    1071823872 bytes (1.1 GB, 1022 MiB) copied, 3.01726 s, 355 MB/s
-
+  ```
+  # dd if=/storage/user-data/primary-home/citadel-image-intel-corei7-64.ext2 of=/dev/mapper/citadel-rootfsB bs=4M
+  255+1 records in
+  255+1 records out
+  1071823872 bytes (1.1 GB, 1022 MiB) copied, 3.01726 s, 355 MB/s
+  ```
 6. Sync just to be sure everything is flushed to disk, then reboot into new image.
-
-    # sync
-    # reboot
+  ```
+  # sync
+  # reboot
+  ```
 
 # How to have hardware graphics acceleration for applications
-
 1. Open Citadel terminal
-
-2. Su to root
-
+2. `su` to root
 3. Make rootfs writable
-
-    # mount -o remount,rw /
-
+  ```
+  # mount -o remount,rw /
+  ```
 4. Enable /dev/dri/renderD128 bind mount in primary.nspawn file
-
-    # vim /etc/systemd/nspawn/primary.nspawn
+  ```
+  # vim /etc/systemd/nspawn/primary.nspawn
+  ```
 
 # How to use Qemu?
-
 1. Open Citadel terminal
-
-2. Su to root
-
+2. `su` to root
 3. Make rootfs writable
-
-    # mount -o remount,rw /
-
+  ```
+  # mount -o remount,rw /
+  ```
 4. Enable /dev/kvm bind mount in primary.nspawn file
-
-    # vim /etc/systemd/nspawn/primary.nspawn
-
+  ```
+  # vim /etc/systemd/nspawn/primary.nspawn
+  ```