diff --git a/p2p/enr/enr.go b/p2p/enr/enr.go
index 0f29af05fc..2c3afb43e9 100644
--- a/p2p/enr/enr.go
+++ b/p2p/enr/enr.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The go-ethereum Authors
+// Copyright 2017 The go-ethereum Authors
 // This file is part of the go-ethereum library.
 //
 // The go-ethereum library is free software: you can redistribute it and/or modify
diff --git a/p2p/enr/enr_test.go b/p2p/enr/enr_test.go
index c13616fc71..ce7767d105 100644
--- a/p2p/enr/enr_test.go
+++ b/p2p/enr/enr_test.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The go-ethereum Authors
+// Copyright 2017 The go-ethereum Authors
 // This file is part of the go-ethereum library.
 //
 // The go-ethereum library is free software: you can redistribute it and/or modify
diff --git a/p2p/enr/entries.go b/p2p/enr/entries.go
index 0f0ea9bf9b..7591e6effb 100644
--- a/p2p/enr/entries.go
+++ b/p2p/enr/entries.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The go-ethereum Authors
+// Copyright 2017 The go-ethereum Authors
 // This file is part of the go-ethereum library.
 //
 // The go-ethereum library is free software: you can redistribute it and/or modify