diff --git a/docs/rddt.1 b/docs/rddt.1
index 9cabfcd..97a749e 100644
--- a/docs/rddt.1
+++ b/docs/rddt.1
@@ -19,7 +19,7 @@
 rddt \- GoldEd+ route diagram drawing tool
 .SH SYNOPSIS
 .B rddt
-.RI < routefile "> [" "address or name" ]
+.RI < routefile "> [" "options" "] [" "address or name" ]
 .SH DESCRIPTION
 This manual page documents briefly the command line parameters of
 .BR rddt ,