diff --git a/tdir.1 b/tdir.1
index f63e138..3c49aa4 100644
--- a/tdir.1
+++ b/tdir.1
@@ -2,7 +2,7 @@
 .SH NAME
 tdir \- Display formatted directory listing
 .SH SYNOPSIS:
-tdir [-Rhv] [-c\fICol Width\fP] [-s\fISep Character\fP] [-w\fIOutput Width\fP] [dir ...]
+tdir [-Rdfhtv] [-c\fICol Width\fP] [-s\fISep Character\fP] [-w\fIOutput Width\fP] [dir ...]
 .SH DESCRIPTION
 tdir displays a formatted listing for the directories you select,
 grouping the file names by "extension".  If you do not name a