diff -r 118729090dc5 Lib/tkinter/ttk.py
--- a/Lib/tkinter/ttk.py        Wed Apr 04 15:55:07 2012 +0300
+++ b/Lib/tkinter/ttk.py        Wed Apr 04 09:51:26 2012 -0500
@@ -1253,7 +1253,7 @@


     def exists(self, item):
-        """Returns True if the specified item is present in the three,
+        """Returns True if the specified item is present in the tree,
         False otherwise."""
         return bool(self.tk.call(self._w, "exists", item))