diff --git a/install.sh b/install.sh
index 5c7c85f..921c856 100644
--- a/install.sh
+++ b/install.sh
@@ -75,9 +75,9 @@ else
   echo
   echo "You have entered different passwords. Try again.."
 fi
-
 break
 done
+echo
 
 # Setting hostname.
 echo "Before installing the system, please enter a hostname:"
@@ -86,7 +86,7 @@ read host
 echo
 
 # Setting root password.
-echo "Please enter a password for the root account:"
+echo "Choose a password for the root account:"
 while [ -z "$pwr" ]; do
 echo "Please enter a password: "
 read -s pwfr
@@ -100,9 +100,9 @@ else
   echo
   echo "You have entered different passwords. Try again.."
 fi
-
 break
 done
+echo
 
 # Setting username
 echo "And please enter a username:"
@@ -110,7 +110,7 @@ read user
 echo
 
 # Setting user password.
-echo "Also please enter a password for your user:"
+echo "Also please choose a password for your user:"
 while [ -z "$pwu" ]; do
 echo "Please enter a password: "
 read -s pwfr
@@ -160,20 +160,20 @@ lsblk | grep "$dev"
 echo
 
 # Get new variable.
-main=$(dev)2
+main=${dev}2
 
 # Encrypting partition.
 echo "Encrypting system partition. This might take a while."
 echo
 
-echo -en "&pwcr\n$pwcr" | cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/$main &&
+echo -en "$pwcr\n$pwcr" | cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/$main &&
 echo "Partition successfully encrypted."
 echo
 
 # Opening encrypted partition and mounting at /dev/mapper/lvm.
 echo "Decrypting.. This also might take a while."
 echo
-echo -en "&pwcr\n$pwcr" | cryptsetup luksOpen /dev/$main lvm &&
+echo -en "$pwcr\n$pwcr" | cryptsetup luksOpen /dev/$main lvm &&
 echo "Partition successfully opened."
 echo
 
@@ -207,7 +207,7 @@ echo
 echo "Creating the filesystem."
 echo
  
-boot=$(dev)1
+boot=${dev}1
 
 mkfs.fat -F 32 -n UEFI /dev/$boot &&
 echo "Filesystem for boot successfully created."
@@ -259,8 +259,6 @@ genfstab -Up /mnt > /mnt/etc/fstab &&
 echo "Installed fstab."
 
 # Setting hostname.
-echo "Please enter a hostname:"
-read host &&
 echo $host > /mnt/etc/hostname
 echo "Hostname set."
 
@@ -300,41 +298,28 @@ arch-chroot /mnt systemctl enable NetworkManager sddm &&
 echo
 echo "Done."
 
+# Set root password
 echo "Setting root password:"
-echo -en "&pwrt\n$pwrt" | arch-chroot /mnt passwd
+echo -en "$pwrt\n$pwrt" | arch-chroot /mnt passwd
 
+# Install bootloader.
 arch-chroot /mnt bootctl install
 
+# Set bootloader entry.
 cat << EOF > /mnt/boot/loader/entries/arch.conf
-# The title of your systemd-boot entry.
 title   Arch Linux
-
-# Change only when using different kernel, e. g. /vmlinuz-linux-zen.
 linux   /vmlinuz-linux-zen
-
-# Uncomment if you have installed the respective Microcode.
 #initrd  /amd-ucode.img 
 #initrd  /intel-ucode.img
-
-# Change only when using different kernel, e. g. /vmlinuz-linux-zen.
 initrd  /initramfs-linux-zen.img
-
-# Change to the correct device like /dev/sda2.
 options cryptdevice=/dev/$main:lvm:allow-discards
-
-# Change to correct LVM device.
 options root=/dev/mapper/main-root rw
-
-# Localization options.
 options lang=de locale=de_DE.UTF-8
-
-# Default init is systemd.
 options init=/usr/lib/systemd/systemd
-
-# Prints only kernel errors and above on boot.
 #options loglevel=3
 EOF
 
+# Set bootloader fallback entry.
 cat << EOF > /mnt/boot/loader/entries/arch-fallback.conf
 title   Arch Linux Fallback
 linux   /vmlinuz-linux
@@ -345,13 +330,16 @@ options lang=de locale=de_DE.UTF-8
 options init=/usr/lib/systemd/systemd
 EOF
 
+# Set bootloader.
 echo "timeout 1" >> /mnt/boot/loader/loader.conf
 echo "default arch.conf" >> /mnt/boot/loader/loader.conf
 
+# Set X locale.
 arch-chroot /mnt localectl --no-convert set-keymap de-latin1-nodeadkeys
 
+# Set username, password and group.
 arch-chroot /mnt useradd -m $user &&
-echo -en "&pwur\n$pwur" | arch-chroot /mnt passwd $user &&
+echo -en "$pwur\n$pwur" | arch-chroot /mnt passwd $user &&
 arch-chroot /mnt gpasswd -a $user wheel
 
 cat << EOF > /mnt//etc/X11/xorg.conf.d/00-keyboard.conf