diff --git a/java/com/tigervnc/rfb/Keysyms.java b/java/com/tigervnc/rfb/Keysyms.java
index e5ece69..05f4682 100644
--- a/java/com/tigervnc/rfb/Keysyms.java
+++ b/java/com/tigervnc/rfb/Keysyms.java
@@ -1,6 +1,7 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
  * Copyright (C) 2012-2013 D. R. Commander.  All Rights Reserved.
  * Copyright (C) 2013 Brian P. Hinz
+ * Copyright (C) 2013 Pierre Ossman <ossman@cendio.se> for Cendio AB
  *
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/java/com/tigervnc/rfb/UnicodeToKeysym.java b/java/com/tigervnc/rfb/UnicodeToKeysym.java
index 0927eb3..72b8896 100644
--- a/java/com/tigervnc/rfb/UnicodeToKeysym.java
+++ b/java/com/tigervnc/rfb/UnicodeToKeysym.java
@@ -1,4 +1,6 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright (C) 2013 Brian P. Hinz
+ * Copyright (C) 2001 Markus G. Kuhn, University of Cambridge
  *
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -16,8 +18,7 @@
  * USA.
  */
 //
-// UnicodeToKeysym - provides a translate() method to convert from unicode
-// characters to the equivalent X keysym.
+// Derived from keysym2ucs.c, originally authored by Markus G, Kuhn
 //
 
 package com.tigervnc.rfb;
diff --git a/java/com/tigervnc/vncviewer/CConn.java b/java/com/tigervnc/vncviewer/CConn.java
index 545c7e2..dd01d9d 100644
--- a/java/com/tigervnc/vncviewer/CConn.java
+++ b/java/com/tigervnc/vncviewer/CConn.java
@@ -1,5 +1,5 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
- * Copyright 2009-2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright 2009-2013 Pierre Ossman <ossman@cendio.se> for Cendio AB
  * Copyright (C) 2011-2013 D. R. Commander.  All Rights Reserved.
  * Copyright (C) 2011-2013 Brian P. Hinz
  *