Minor doc change.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 762f0ce..fccd6ef 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -905,7 +905,7 @@
             do_something()
 
         the_exception = cm.exc_value
-        self.assertEquals(the_exception.error_code, 3)
+        self.assertEqual(the_exception.error_code, 3)
 
       .. versionchanged:: 2.7
          Added the ability to use :meth:`assertRaises` as a context manager.