diff --git a/README.md b/README.md
index e48a3c3..394c168 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ To increase the lifetime of the flash drive I followed a few points of  https://
 
 ## Post-installation (as root)
 
-```
+```shell
 # timedatectl set-ntp true
 # ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
 # vi /etc/locale.gen
@@ -48,7 +48,7 @@ To increase the lifetime of the flash drive I followed a few points of  https://
 
 ## Install Arch Linux packages (as root)
 
-```
+```shell
 # pacman -S xf86-video-intel intel-compute-runtime nvidia opencl-nvidia xf86-video-amdgpu xf86-video-ati opencl-mesa xf86-video-nouveau xf86-video-vesa base-devel bash-completion bc binwalk chntpw dconf-editor firefox galculator gdm gedit git gnome grub hashcat inetutils libeatmydata libewf lvm2 mdadm minisign mlocate multipath-tools nano openssh ophcrack pacman-contrib python-pycryptodome qemu qemu-arch-extra signify sleuthkit sudo testdisk ttf-dejavu vim vinagre which xarchiver xorg xorg-apps xorg-drivers xorg-fonts
 ```
 
@@ -56,7 +56,7 @@ To increase the lifetime of the flash drive I followed a few points of  https://
 
 ## More configuration (as root)
 
-```
+```shell
 # localectl --no-convert set-x11-keymap de
 # visudo (uncomment %wheel ... NOPASSWD:)
 # systemctl enable sshd.service
@@ -71,7 +71,7 @@ I have choosen trizen for installing AUR recipes.
 
 Install it as user (lucifer):
 
-```
+```shell
 $ mkdir ~/builds && cd ~/builds
 $ git clone https://aur.archlinux.org/trizen.git
 $ cd trizen
@@ -80,18 +80,18 @@ $ makepkg -sirc
 
 Now you will be able to install AUR packages as a user (lucifer) with trizen like:
 
-```
+```shell
 $ trizen -S <PACKAGE>
 ```
 
 ## Install AUR packages (as luciver)
 
-```
+```shell
 $ trizen -S aic94xx-firmware upd72020x-fw wd719x-firmware dc3dd fred guymager perl-image-exiftool regripper-git xmount
 ```
 
 The following recipes could be somewhat problematic:
 
-```
+```shell
 $ trizen -S zfs-linux zfs-utils
 ```
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