diff --git a/admin_manual/maintenance/backup.rst b/admin_manual/maintenance/backup.rst
index e4f3223e3..7dc599043 100644
--- a/admin_manual/maintenance/backup.rst
+++ b/admin_manual/maintenance/backup.rst
@@ -2,17 +2,18 @@
 Backing up Nextcloud
 ====================
 
-To backup an Nextcloud installation there are three main things you need to retain:
+To backup an Nextcloud installation there are four main things you need to retain:
 
 #. The config folder
 #. The data folder
 #. The database
+#. The theme folder
 
 Backup Folders
 --------------
 
-Simply copy your config and data folder (or even your whole Nextcloud install and data folder) to a place outside of
-your Nextcloud environment. You could use this command::
+Simply copy your config, data and theme folders (or even your whole Nextcloud install and data folder) to a place
+outside of your Nextcloud environment. You could use this command::
 
     rsync -Aax nextcloud/ nextcloud-dirbkp_`date +"%Y%m%d"`/