diff --git a/Lib/tkinter/ttk.py b/Lib/tkinter/ttk.py
index 928e1de7818..5ae20a86789 100644
--- a/Lib/tkinter/ttk.py
+++ b/Lib/tkinter/ttk.py
@@ -1253,7 +1253,7 @@ def detach(self, *items):
 
 
     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))