diff --git a/src/pkg/go/printer/testdata/golden1.go b/src/pkg/go/printer/testdata/golden1.go
index 084c65d2876..59c3308762e 100644
--- a/src/pkg/go/printer/testdata/golden1.go
+++ b/src/pkg/go/printer/testdata/golden1.go
@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
+// Copyright 2009 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.
 
diff --git a/src/pkg/go/printer/testdata/golden1.x b/src/pkg/go/printer/testdata/golden1.x
index 4ebb6ec6700..aa8fed49228 100644
--- a/src/pkg/go/printer/testdata/golden1.x
+++ b/src/pkg/go/printer/testdata/golden1.x
@@ -1,3 +1,7 @@
+// Copyright 2009 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.
+
 // This is a package for testing purposes.
 //
 package main
diff --git a/src/pkg/go/printer/testdata/source1.go b/src/pkg/go/printer/testdata/source1.go
index 162f00005b1..d9aa8199a78 100644
--- a/src/pkg/go/printer/testdata/source1.go
+++ b/src/pkg/go/printer/testdata/source1.go
@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
+// Copyright 2009 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.