diff --git a/unix/pagesize_unix.go b/unix/pagesize_unix.go
index 45afcf7..83c85e0 100644
--- a/unix/pagesize_unix.go
+++ b/unix/pagesize_unix.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The Go Authors.  All rights reserved.
+// Copyright 2017 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.