diff --git a/src/palette.c b/src/palette.c
index b3e1501..f016e4b 100644
--- a/src/palette.c
+++ b/src/palette.c
@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) 2016 rxi
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MIT license. See LICENSE for details.
+ */
+
 #include <stdlib.h>
 #include <pc.h>
 
diff --git a/src/palette.h b/src/palette.h
index 33bf959..536e09a 100644
--- a/src/palette.h
+++ b/src/palette.h
@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) 2016 rxi
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MIT license. See LICENSE for details.
+ */
+
 #ifndef PALETTE_H
 #define PALETTE_H