diff --git a/contrib/isc-dhcp/client/dhclient.8 b/contrib/isc-dhcp/client/dhclient.8
index f0648221b5ee..14ba29d782ef 100644
--- a/contrib/isc-dhcp/client/dhclient.8
+++ b/contrib/isc-dhcp/client/dhclient.8
@@ -48,6 +48,9 @@ dhclient - Dynamic Host Configuration Protocol Client
 .B -1
 ]
 [
+.B -D
+]
+[
 .B -d
 ]
 [
@@ -145,6 +148,15 @@ flag should be specified.  This is useful when running dhclient under
 a debugger, or when running it out of inittab on System V systems.
 .PP
 The
+.B -D
+flag causes
+.B dhclient
+to save the script it creates for use in conjunction with
+.B dhclient-script
+in 
+.IR /tmp.
+.PP
+The
 .B -1
 flag cause dhclient to try once to get a lease.  If it fails, dhclient exits.
 .PP