diff --git a/usr.bin/what/what.1 b/usr.bin/what/what.1
index bc46891e4ecb..7bf38b287f61 100644
--- a/usr.bin/what/what.1
+++ b/usr.bin/what/what.1
@@ -42,7 +42,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl s
-.Ar file Ar ...
+.Op Ar file Ar ...
 .Sh DESCRIPTION
 The
 .Nm
diff --git a/usr.bin/what/what.c b/usr.bin/what/what.c
index c7e953a3f7c3..65bdb13e1b58 100644
--- a/usr.bin/what/what.c
+++ b/usr.bin/what/what.c
@@ -92,7 +92,7 @@ main(argc, argv)
 static void
 usage()
 {
-	(void)fprintf(stderr, "usage: what [-s] file ...\n");
+	(void)fprintf(stderr, "usage: what [-s] [file ...]\n");
 	exit(1);
 }