diff --git a/tdir.1 b/tdir.1
index b9f6b07..f63e138 100644
--- a/tdir.1
+++ b/tdir.1
@@ -29,15 +29,15 @@
 Travel down each directory tree Recursively. Defaults to
 no recursion.
 .TP
+.B -d
+Suppress display of directories
+.TP
+.B -f
+Suppress display of files
+.TP
 .B -h
 Display Help information about tdir.
 .TP
-.B -v
-Display Version information about tdir.
-.TP
-.B -c #
-Set Column With to # characters. (default: 19)
-.TP
 .B -s c
 Set Extension Separator character to c. (default: .)
 tdir will search for the rightmost instance of this character
@@ -45,6 +45,15 @@
 the name is considered the "extension" of the file.  Everything
 before it is considered the "name".
 .TP
+.B -t
+Tree mode - display directory tree only.  Equivalent to: -Rdf
+.TP
+.B -v
+Display Version information about tdir.
+.TP
+.B -c #
+Set Column With to # characters. (default: 19)
+.TP
 .B -w #
 Set the Output Width to # characters. (default: 80)
 .SH COLUMN ARITHMETIC