diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 06f6b94c851..ef84f44f6c9 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -53,7 +53,7 @@ class TestPredicates(IsTestBase):
     def test_sixteen(self):
         count = len(filter(lambda x:x.startswith('is'), dir(inspect)))
         # This test is here for remember you to update Doc/library/inspect.rst
-        # which claims there are 15 such functions
+        # which claims there are 16 such functions
         expected = 16
         err_msg = "There are %d (not %d) is* functions" % (count, expected)
         self.assertEqual(count, expected, err_msg)