diff --git a/update.sh b/update.sh
index b509df2..cfb92cb 100644
--- a/update.sh
+++ b/update.sh
@@ -5,10 +5,19 @@ if ! [ -n "$1" ]; then
 fi
 
 cd /
-echo "start removing old installation"
+
+#echo "starting backup"
+# create new backup dir %date+time%
+# save config
+# save data
+# save custom_apps
+#echo "backup was created"
+
+echo "starting remove old installation"
 rm -r /var/www/nextcloud || echo 
 echo "old installation was removed"
 
+echo "get target version"
 wget https://download.nextcloud.com/server/releases/nextcloud-$1.tar.bz2
 tar -xjvf nextcloud-$1.tar.bz2
 cp -r /nextcloud /var/www
@@ -16,13 +25,14 @@ rm /nextcloud-$1.tar.bz2
 rm -r /nextcloud
 mkdir /var/www/nextcloud/custom_apps
 
-rm -r /var/www/nextcloud/data/*
+# remove config from installation packet
 rm -r /var/www/nextcloud/config/*
 
-echo "start restorin from backup"
+echo "starting restore from backup"
 cp -R /var/www/backup/* /var/www/nextcloud
 echo "backup was restored"
 
+echo "set directory rights"
 chown -R www-data:www-data /var/www/nextcloud/
 chmod 755 /var/www/nextcloud/
 chmod -R 644 /var/www/nextcloud/