diff --git a/README.md b/README.md
index 362c1e7..8ad36c7 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ After login (ssh) proceed with these steps:
 12. `sudo chmod u+x /etc/rc.local`
 13. `chmod u+x ~/bananenkeyboard/piconfig/readonly.sh`
 14. `sudo gpasswd --add pi tty`
-15. `~/bananenkeyboard/piconfig/readonly.sh`
+15. `sudo /home/pi/bananenkeyboard/piconfig/readonly.sh`
 16. `sudo reboot`
 
 By copying the rc.local (step 11), the script will be started in a `screen` after reboot.
@@ -47,4 +47,4 @@ An open source for samples is for example: https://philharmonia.co.uk/resources/
 
 # TODO
 * Connect USB stick with samples which should override the default samples
-* `ALSA lib pcm.c:8545:(snd_pcm_recover) underrun occurred`. Especially if using mp3s?
\ No newline at end of file
+* `ALSA lib pcm.c:8545:(snd_pcm_recover) underrun occurred`. Especially if using mp3s?
diff --git a/piconfig/readonly.sh b/piconfig/readonly.sh
index e0c5244..87a4b8f 100644
--- a/piconfig/readonly.sh
+++ b/piconfig/readonly.sh
@@ -1,28 +1,28 @@
-sudo apt remove -y --purge triggerhappy logrotate dphys-swapfile cron
-sudo apt autoremove -y --purge
-sudo apt install -y busybox-syslogd
-sudo apt remove -y --purge rsyslog
-sudo sh -c 'echo -n "fastboot noswap ro" >>/boot/cmdline.txt'
-sudo rm -rf /var/lib/dhcp/ /var/run /var/spool /var/lock /etc/resolv.conf
-sudo ln -s /tmp /var/lib/dhcp
-sudo ln -s /tmp /var/run
-sudo ln -s /tmp /var/spool
-sudo ln -s /tmp /var/lock
-sudo touch /tmp/dhcpcd.resolv.conf; ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
-sudo rm /var/lib/systemd/random-seed
-sudo ln -s /tmp/random-seed /var/lib/systemd/random-seed
-sudo sed -i 's#ExecStart=/lib/systemd/systemd-random-seed load#ExecStartPre=/bin/echo "" >/tmp/random-seed\nExecStart=/lib/systemd/systemd-random-seed load#' /lib/systemd/system/systemd-random-seed.service
-sudo systemctl daemon-reload
-sudo systemctl disable console-setup
-sudo sed -i 's#\(.*PARTUUID.*defaults\)\(.*\)#\1,ro\2#' /etc/fstab
-sudo cat <<EOT >>/etc/fstab
+apt remove -y --purge triggerhappy logrotate dphys-swapfile cron
+apt autoremove -y --purge
+apt install -y busybox-syslogd
+apt remove -y --purge rsyslog
+sh -c 'echo -n "fastboot noswap ro" >>/boot/cmdline.txt'
+rm -rf /var/lib/dhcp/ /var/run /var/spool /var/lock /etc/resolv.conf
+ln -s /tmp /var/lib/dhcp
+ln -s /tmp /var/run
+ln -s /tmp /var/spool
+ln -s /tmp /var/lock
+touch /tmp/dhcpcd.resolv.conf; ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
+rm /var/lib/systemd/random-seed
+ln -s /tmp/random-seed /var/lib/systemd/random-seed
+sed -i 's#ExecStart=/lib/systemd/systemd-random-seed load#ExecStartPre=/bin/echo "" >/tmp/random-seed\nExecStart=/lib/systemd/systemd-random-seed load#' /lib/systemd/system/systemd-random-seed.service
+systemctl daemon-reload
+systemctl disable console-setup
+sed -i 's#\(.*PARTUUID.*defaults\)\(.*\)#\1,ro\2#' /etc/fstab
+cat <<EOT >>/etc/fstab
  
 tmpfs           /tmp            tmpfs   nosuid,nodev         0       0
 tmpfs           /var/log        tmpfs   nosuid,nodev         0       0
 tmpfs           /var/tmp        tmpfs   nosuid,nodev         0       0
 EOT
 
-sudo cat <<"EOT" >>/etc/bash.bashrc
+cat <<"EOT" >>/etc/bash.bashrc
 # set variable identifying the filesystem you work in (used in the prompt below)
 set_bash_prompt(){
     fs_mode=$(mount | sed -n -e "s/^\/dev\/.* on \/ .*(\(r[w|o]\).*/\1/p")
@@ -32,11 +32,11 @@ set_bash_prompt(){
 alias ro='sudo mount -o remount,ro / ; sudo mount -o remount,ro /boot'
 alias rw='sudo mount -o remount,rw / ; sudo mount -o remount,rw /boot'
  
-# setup fancy prompt"
+# setup fancy prompt
 PROMPT_COMMAND=set_bash_prompt
 EOT
 
-sudo cat <<EOT >>/etc/bash.bash_logout
+cat <<EOT >>/etc/bash.bash_logout
 sudo mount -o remount,rw /
 history -a
 sudo mount -o remount,ro /