diff -Nur jack-3.1.1/jack_config.py jack-3.1.1.new/jack_config.py
--- jack-3.1.1/jack_config.py	2005-03-28 02:16:09.052622392 +0530
+++ jack-3.1.1.new/jack_config.py	2005-03-28 02:13:51.252571184 +0530
@@ -150,6 +150,8 @@
         'type': types.StringType,
         'val': "%02d",
         'doc': "track number format for %n, printf() style",
+        'usage': "format of the track number (%n, printf() style) used to rename the files",
+        'long': 'AUTO',
         },
     'rename_dir': {
         'type': 'toggle',
diff -Nur jack-3.1.1/jack.man jack-3.1.1.new/jack.man
--- jack-3.1.1/jack.man	2005-03-28 02:13:16.946786456 +0530
+++ jack-3.1.1.new/jack.man	2005-03-28 02:17:51.001123864 +0530
@@ -312,6 +312,9 @@
 .B \-\-rename-fmt-va string
 format of Various Artists files (default "%n - %a - %t")
 .TP
+.B \-\-rename-num string
+format of the track number (%n, printf() style) used to rename the files (default "%02d")
+.TP
 .B \-r, \-\-reorder=bool
 optimize track-order for disk space. This can save you some peak
 disk space during the encoding process; this may make it possible
