added backup info

FAQ.md

@@ -121,7 +121,7 @@ Recovering the coins that you have in an active channel is a bit more complicate
 
 To really have a reliable backup, such feature needs to be part of the LND software. Almost every other solution would not be perfect. Thats why RaspiBlitz is not trying to provide a backup feature at the moment.
 
-But you can try to backup at your own risk. All your Lightning Node data is within the `/mnt/hdd/lnd` directory. Just run a backup of that data when the lnd service is stopped.
+But you can try to backup at your own risk. All your Lightning Node data is within the `/mnt/hdd/lnd` directory. Just run a backup of that data when the lnd service is stopped -> `sudo systemctl stop lnd` Then on your laptop you go with the terminal into the directory you want to store the backup in and use the following SCP command to download: `scp -r bitcoin@[LOCAL-IP-OF-RASPIBLITZ]:/mnt/hdd/lnd/ ./` use your password A
 
 ## What is this mnemonic seed word list?
 

home.admin/50copyHDD.sh

@@ -55,9 +55,6 @@ echo "PRESS ENTER if transfers is done OR if you want to choose another another
 sleep 2
 read key
 
-# unlink bitcoin user (will created later in setup again)
-sudo unlink /home/bitcoin/.bitcoin 
-
 # make quick check if data is there
 anyDataAtAll=0
 quickCheckOK=1
@@ -120,7 +117,7 @@ if [ "${setupStep}" = "100" ]; then
   sudo cp /home/admin/assets/bitcoin.conf /mnt/hdd/bitcoin/bitcoin.conf
   sudo chown bitcoin:bitcoin /mnt/hdd/bitcoin/bitcoin.conf
   sudo systemctl enable bitcoind
-  "DONE - reboot is needed: sudo shutdown -r now"
+  echo "DONE - reboot is needed: sudo shutdown -r now"
   exit 0
 fi