1 files changed, 6 insertions, 1 deletions
diff --git a/include/ring.h b/include/ring.h
index d57f9aa..b64f462 100644
--- a/include/ring.h
+++ b/include/ring.h
@@ -1,3 +1,9 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
 #ifndef RING_H
 #define RING_H
 
@@ -71,4 +77,3 @@ int_fast8_t ring_is_empty(struct ring *ring)
 }
 
 #endif /* RING_H */
-