update comment

Signed-off-by: Marino Faggiana <marino@marinofaggiana.com>

Brand/NCBrand.swift

@@ -80,7 +80,7 @@ import UIKit
     @objc public var disable_mobileconfig:              Bool = false
 
     // Internal option behaviour
-    @objc public var cleanUpDay:                        Int = 0                                                     // Set default "Delete all file older than " possible days value are: 0, 1, 7, 30, 90, 180, 365
+    @objc public var cleanUpDay:                        Int = 0                                                     // Set default "Delete, in the cache, all files older than" possible days value are: 0, 1, 7, 30, 90, 180, 365
 
     override init() {
 

iOSClient/Supporting Files/en.lproj/Localizable.strings

@@ -853,7 +853,7 @@
 "_message_disable_overwrite_livephoto_" = "This image is a Live Photo, overwrite will not be possible";
 "_discard_changes_info_"    = "Your changes will be discarded.";
 "_delete_files_desc_"       = "Delete files to free up space";
-"_delete_old_files_"        = "Delete all files older than";
+"_delete_old_files_"        = "Delete, in the cache, all files older than";
 "_never_"                   = "Never";
 "_1_year_"                  = "1 year";
 "_6_months_"                = "6 months";