diff --git a/src/add-ons/kernel/drivers/midi/usb_midi/devlist.c b/src/add-ons/kernel/drivers/midi/usb_midi/devlist.c
index 217e044a58..1759f8fe2c 100644
--- a/src/add-ons/kernel/drivers/midi/usb_midi/devlist.c
+++ b/src/add-ons/kernel/drivers/midi/usb_midi/devlist.c
@@ -2,8 +2,8 @@
  * midi usb driver
  * devlist.c
  *
- * Copyright 2009 Haiku Inc.  All rights reserved.
- * Distributed under tthe terms of the MIT Licence.
+ * Copyright 2006-2009 Haiku Inc.  All rights reserved.
+ * Distributed under the terms of the MIT Licence.
  *
  * Authors:
  *		Jérôme Duval
diff --git a/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.c b/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.c
index f259e4ec9a..98385bf4ca 100644
--- a/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.c
+++ b/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.c
@@ -2,8 +2,8 @@
  * midi usb driver
  * usb_midi.c
  *
- * Copyright 2009 Haiku Inc.  All rights reserved.
- * Distributed under tthe terms of the MIT Licence.
+ * Copyright 2006-2009 Haiku Inc.  All rights reserved.
+ * Distributed under the terms of the MIT Licence.
  *
  * Authors:
  *		Jérôme Duval
diff --git a/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.h b/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.h
index 5b2d2f4b6f..54e0266abe 100644
--- a/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.h
+++ b/src/add-ons/kernel/drivers/midi/usb_midi/usb_midi.h
@@ -2,8 +2,8 @@
  * midi usb driver
  * usb_midi.h
  *
- * Copyright 2009 Haiku Inc.  All rights reserved.
- * Distributed under tthe terms of the MIT Licence.
+ * Copyright 2006-2009 Haiku Inc.  All rights reserved.
+ * Distributed under the terms of the MIT Licence.
  *
  * Authors:
  *		Jérôme Duval