diff --git a/elf2nso.c b/elf2nso.c
index 70fcf46..52d305e 100644
--- a/elf2nso.c
+++ b/elf2nso.c
@@ -1,3 +1,4 @@
+// Copyright 2017 plutoo
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>