Keep doctests in sync with the docs.
diff --git a/Lib/test/test_sets.py b/Lib/test/test_sets.py
index 5b9c4e0..9051d49 100644
--- a/Lib/test/test_sets.py
+++ b/Lib/test/test_sets.py
@@ -634,10 +634,10 @@
... return Base._repr(self, sorted=True)
>>> engineers = Set(['John', 'Jane', 'Jack', 'Janice'])
>>> programmers = Set(['Jack', 'Sam', 'Susan', 'Janice'])
->>> management = Set(['Jane', 'Jack', 'Susan', 'Zack'])
->>> employees = engineers | programmers | management # union
->>> engineering_management = engineers & programmers # intersection
->>> fulltime_management = management - engineers - programmers # difference
+>>> managers = Set(['Jane', 'Jack', 'Susan', 'Zack'])
+>>> employees = engineers | programmers | managers # union
+>>> engineering_management = engineers & managers # intersection
+>>> fulltime_management = managers - engineers - programmers # difference
>>> engineers.add('Marvin')
>>> print engineers
Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin'])
@@ -646,7 +646,7 @@
>>> employees.update(engineers) # update from another set
>>> employees.issuperset(engineers)
True
->>> for group in [engineers, programmers, management, employees]:
+>>> for group in [engineers, programmers, managers, employees]:
... group.discard('Susan') # unconditionally remove element
... print group
...