Areafix/Filefix Scan/Rescan commands cannot use +/- in front of area name

app/Classes/FTN/Process/Netmail/Robot/Areafix/Rescan.php

@@ -16,7 +16,7 @@ class Rescan extends Base
 	public static function help(): array
 	{
 		return [
-			self::command.' [-|+]<ECHOAREA> [<DAYS>]',
+			self::command.' <ECHOAREA> [<DAYS>]',
 			'   Use the rescan command to resend mail from an echoarea.',
 			'   This is will resend mail again, even if you have received it in the past.',
 			'   Arguments:',