diff -r fd69e2f2cb72 Lib/test/test_set.py
--- a/Lib/test/test_set.py	Mon Mar 14 18:58:41 2011 +0200
+++ b/Lib/test/test_set.py	Mon Mar 14 23:59:12 2011 +0100
@@ -583,7 +583,7 @@
                 self.le_called = True
                 return False
 
-        # This first tries the bulitin rich set comparison, which doesn't know
+        # This first tries the builtin rich set comparison, which doesn't know
         # how to handle the custom object. Upon returning NotImplemented, the
         # corresponding comparison on the right object is invoked.
         myset = {1, 2, 3}