diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 9541997e3ccca0..392cd2473155fe 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -597,8 +597,9 @@ The following decorators and exception implement test skipping and expected fail
 .. decorator:: expectedFailure
 
    Mark the test as an expected failure or error.  If the test fails or errors
-   it will be considered a success.  If the test passes, it will be considered
-   a failure.
+   in the test function itself (rather than in one of the :dfn:`test fixture`
+   methods) then it will be considered a success.  If the test passes, it will
+   be considered a failure.
 
 .. exception:: SkipTest(reason)