1 files changed, 11 insertions, 0 deletions
diff --git a/bin/man1/ptee.1 b/bin/man1/ptee.1
index ba615f27..bb381ecb 100644
--- a/bin/man1/ptee.1
+++ b/bin/man1/ptee.1
@@ -8,6 +8,7 @@
 .
 .Sh SYNOPSIS
 .Nm
+.Op Fl t Ar ms
 .Ar command ...
 .Cm >
 .Ar file
@@ -32,6 +33,16 @@ Type
 .Ic ^Q
 to toggle writing to standard output.
 .
+.Pp
+The arguments are as follows:
+.Bl -tag -width Ds
+.It Fl t Ar ms
+Write a media copy sequence
+to standard output every
+.Ar ms
+milliseconds.
+.El
+.
 .Sh SEE ALSO
 .Xr script 1
 .