diff --git a/share/man/man4/unionfs.4 b/share/man/man4/unionfs.4
index 205958def903..85714331b6ce 100644
--- a/share/man/man4/unionfs.4
+++ b/share/man/man4/unionfs.4
@@ -1,3 +1,6 @@
+.\"-
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2020 Gordon Bergling
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -26,7 +29,7 @@
 .Os
 .Sh NAME
 .Nm unionfs
-.Nd "UNION FS"
+.Nd union mount file system
 .Sh SYNOPSIS
 To compile this driver into the kernel,
 place the following lines in your