diff --git a/sse-encoder.go b/sse-encoder.go
index 5a5bfa7..9ca9d7a 100644
--- a/sse-encoder.go
+++ b/sse-encoder.go
@@ -1,3 +1,7 @@
+// Copyright 2014 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
 package sse
 
 import (
diff --git a/sse_test.go b/sse_test.go
index 61354b9..55b6dcb 100644
--- a/sse_test.go
+++ b/sse_test.go
@@ -1,3 +1,7 @@
+// Copyright 2014 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
 package sse
 
 import (