diff --git a/contrib/tzcode/zic.8 b/contrib/tzcode/zic.8
--- a/contrib/tzcode/zic.8
+++ b/contrib/tzcode/zic.8
@@ -3,7 +3,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd December 15, 2022
+.Dd January 21, 2023
 .Dt ZIC 8
 .Os
 .Sh NAME
@@ -71,6 +71,8 @@
 Also see the
 .Fl r
 option for another way to alter output size.
+.It Fl D
+Do not create directories.
 .It Fl d Ar directory
 Create time conversion information files in the named directory rather than
 in the standard directory named below.