Index: usr.bin/mkesdb/yacc.y
===================================================================
--- usr.bin/mkesdb/yacc.y
+++ usr.bin/mkesdb/yacc.y
@@ -278,8 +278,8 @@
 {
 	errx(EXIT_FAILURE,
 	    "usage:\n"
-	    "\t%s [-o outfile] [infile]\n"
-	    "\t%s -m [-o outfile] [infile]",
+	    "\t%s [-d] [-o outfile] [infile]\n"
+	    "\t%s -m [-d] [-o outfile] [infile]",
 	    getprogname(), getprogname());
 }