diff --git a/BackupAndUpdate.rsc b/BackupAndUpdate.rsc
index f111893..759dbc9 100644
--- a/BackupAndUpdate.rsc
+++ b/BackupAndUpdate.rsc
@@ -3,9 +3,9 @@
 #----------SCRIPT INFORMATION---------------------------------------------------
 #
 # Script:  Mikrotik RouterOS automatic backup & update
-# Version: 20.04.17
+# Version: 21.03.30
 # Created: 07/08/2018
-# Updated: 17/04/2020
+# Updated: 30/03/2021
 # Author:  Alexander Tebiev
 # Website: https://github.com/beeyev
 # You can contact me by e-mail at tebiev@mail.com
@@ -22,9 +22,9 @@
 # backup 	- 	Only backup will be performed. (default value, if none provided)
 #
 # osupdate 	- 	The Script will install a new RouterOS if it is available.
-#				It will also create backups before and after update process.
+#				It will also create backups before and after update process (does not matter what value is set to `forceBackup`)
 #				Email will be sent only if a new RouterOS version is available.
-#				Change parameter `forceBackup` if you need the script to create backups every time when it runs.
+#				Change parameter `forceBackup` if you need the script to create backups every time when it runs (even when no updates).
 #
 # osnotify 	- 	The script will send email notification only (without backups) if a new RouterOS is available.
 #				Change parameter `forceBackup` if you need the script to create backups every time when it runs.
diff --git a/README.md b/README.md
index e82d189..aeb97bc 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ To check email settings, send a test message by running the following command in
 ##### 4. Create scheduled task
 System -> Scheduler [Add]  
 Name: `Backup And Update`  
-Start Time: `03:10:00`  
+Start Time: `03:10:00` (the start time has to be different for all your mikrotik device in a chain)  
 Interval: `1d 00:00:00`  
 On Event: `/system script run BackupAndUpdate;`  
 ![](https://github.com/beeyev/Mikrotik-RouterOS-automatic-backup-and-update/raw/master/howto/scheduler-task.png)