diff --git a/usr.sbin/fdformat/fdformat.1 b/usr.sbin/fdformat/fdformat.1
index bdf860243654..92dae57887ad 100644
--- a/usr.sbin/fdformat/fdformat.1
+++ b/usr.sbin/fdformat/fdformat.1
@@ -55,8 +55,7 @@ under
 .Dq Li fd0 ) .
 .Pp
 The options are as follows:
-.\" XXX
-.Bl -tag -width 10n -offset indent
+.Bl -tag -width ".Fl s Ar fmtstr"
 .It Fl F Ar fill
 Use
 .Ar fill