diff --git a/src/sage/doctest/sources.py b/src/sage/doctest/sources.py
index afd256279e9..67d2c5f683b 100644
--- a/src/sage/doctest/sources.py
+++ b/src/sage/doctest/sources.py
@@ -717,6 +717,7 @@ def _test_enough_doctests(self, check_extras=True, verbose=True):
             There are 8 tests in sage/combinat/root_system/type_G.py that are not being run
             There are 3 unexpected tests being run in sage/doctest/parsing.py
             There are 1 unexpected tests being run in sage/doctest/reporting.py
+            There are 15 tests in sage/manifolds/manifold.py that are not being run
             There are 3 tests in sage/rings/invariant_theory.py that are not being run
             sage: os.chdir(cwd)
         """