Allow spaces in backup names
diff --git a/gui/devices/480x854/res/ui.xml b/gui/devices/480x854/res/ui.xml
index c13ce5c..ff2eea9 100644
--- a/gui/devices/480x854/res/ui.xml
+++ b/gui/devices/480x854/res/ui.xml
@@ -1436,7 +1436,7 @@
 				<font resource="font" color="%text_color%" />
 				<text>%tw_backup_name%</text>
 				<data name="tw_backup_name" />
-				<restrict minlen="1" maxlen="64" allow="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_.{}[]" />
+				<restrict minlen="1" maxlen="64" allow=" abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_.{}[]" />
 				<actions>
 					<action function="set">tw_filecheck=%tw_backups_folder%/%tw_backup_name%</action>
 					<action function="set">tw_existpage=backupname2</action>
@@ -1775,7 +1775,7 @@
 				<font resource="font" color="%text_color%" />
 				<text>%tw_backup_rename%</text>
 				<data name="tw_backup_rename" />
-				<restrict minlen="1" maxlen="64" allow="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_.{}[]" />
+				<restrict minlen="1" maxlen="64" allow=" abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_.{}[]" />
 				<actions>
 					<action function="set">tw_back=restore</action>
 					<action function="set">tw_action=cmd</action>