diff --git a/libavcodec/atrac.c b/libavcodec/atrac.c
index c4241a9492..9787c842ca 100644
--- a/libavcodec/atrac.c
+++ b/libavcodec/atrac.c
@@ -1,6 +1,7 @@
 /*
- * ATRAC common functions
- * Copyright (c) 2006-2008 Maxim Poliakovski
+ * Common functions for the ATRAC family of decoders
+ *
+ * Copyright (c) 2006-2013 Maxim Poliakovski
  * Copyright (c) 2006-2008 Benjamin Larsson
  *
  * This file is part of FFmpeg.
diff --git a/libavcodec/atrac.h b/libavcodec/atrac.h
index 9041d85481..18b4fddf40 100644
--- a/libavcodec/atrac.h
+++ b/libavcodec/atrac.h
@@ -1,6 +1,7 @@
 /*
- * ATRAC common data
- * Copyright (c) 2009 Maxim Poliakovski
+ * Common functions for the ATRAC family of decoders
+ *
+ * Copyright (c) 2009-2013 Maxim Poliakovski
  * Copyright (c) 2009 Benjamin Larsson
  *
  * This file is part of FFmpeg.