diff --git a/island.c b/island.c
index 2912bd4..a449cff 100644
--- a/island.c
+++ b/island.c
@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2014, Miguel Angel Astor Romero. All rights reserved.
+ * See the file LICENSE for more details.
+ */
+
 #ifndef __cplusplus
 
 #include <stdio.h>
diff --git a/island.h b/island.h
index 5230be0..f4b9bd4 100644
--- a/island.h
+++ b/island.h
@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2014, Miguel Angel Astor Romero. All rights reserved.
+ * See the file LICENSE for more details.
+ */
+
 #ifndef ISLAND_H
 #define ISLAND_H