diff --git a/host_backup.conf.example b/host_backup.conf.example
index 47593ef..e668e27 100644
--- a/host_backup.conf.example
+++ b/host_backup.conf.example
@@ -2,7 +2,7 @@
 
 ###### obackup - Local or Remote, push or pull backup script for files & mysql databases
 ###### (C) 2013-2016 by Orsiris de Jong (www.netpower.fr)
-###### obackup v2.1x config file rev 2016102301
+###### obackup v2.1x config file rev 2016121901
 
 ###### GENERAL BACKUP OPTIONS
 
@@ -142,6 +142,10 @@ RSYNC_EXCLUDE_FROM=""
 ## List separator char. You may set an alternative separator char for your directories lists above.
 PATH_SEPARATOR_CHAR=";"
 
+## Optional arguments passed to rsync executable. The following are already managed by the program and shoul never be passed here
+## -rltD -n -P -o -g --executability -A -X -zz -L -K -H -8 -u -i --stats --checksum --bwlimit --partial --partial-dir --exclude --exclude-from --include--from --no-whole-file --whole-file --list-only
+RSYNC_OPTIONAL_ARGS=""
+
 ## Preserve basic linux permissions
 PRESERVE_PERMISSIONS=yes
 PRESERVE_OWNER=yes