#15183: clarify timeit documentation to say that setup statement isn't timed
diff --git a/Doc/library/timeit.rst b/Doc/library/timeit.rst
index 503a705..70df409 100644
--- a/Doc/library/timeit.rst
+++ b/Doc/library/timeit.rst
@@ -94,6 +94,8 @@
method. The :meth:`.repeat` method is a convenience to call :meth:`.timeit`
multiple times and return a list of results.
+ The execution time of *setup* is excluded from the overall timed execution run.
+
The *stmt* and *setup* parameters can also take objects that are callable
without arguments. This will embed calls to them in a timer function that
will then be executed by :meth:`.timeit`. Note that the timing overhead is a