Add list of status chars to borg create --filter help text

src/borg/archiver.py

@@ -3469,8 +3469,8 @@ class Archiver:
         subparser.set_defaults(func=self.do_recreate)
         subparser.add_argument('--list', dest='output_list', action='store_true',
                                help='output verbose list of items (files, dirs, ...)')
-        subparser.add_argument('--filter', dest='output_filter', metavar='STATUSCHARS',
-                               help='only display items with the given status characters')
+        subparser.add_argument('--filter', metavar='STATUSCHARS', dest='output_filter',
+                               help='only display items with the given status characters (listed in borg create --help)')
         subparser.add_argument('-n', '--dry-run', dest='dry_run', action='store_true',
                                help='do not change anything')
         subparser.add_argument('-s', '--stats', dest='stats', action='store_true',