diff -r b7cbc1db01fe -r 36f9d11fc9aa langtools/src/share/classes/com/sun/source/tree/Tree.java
--- a/langtools/src/share/classes/com/sun/source/tree/Tree.java	Wed Nov 14 16:41:51 2012 -0800
+++ b/langtools/src/share/classes/com/sun/source/tree/Tree.java	Wed Nov 14 17:23:10 2012 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -610,7 +610,7 @@
      * visitor pattern is used to implement operations on trees.
      *
      * @param <R> result type of this operation.
-     * @param <D> type of additonal data.
+     * @param <D> type of additional data.
      */
     <R,D> R accept(TreeVisitor<R,D> visitor, D data);
 }