bpo-36008: Doc update for 3.8 migration (GH-12887)

diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst
index ab92af0..dddfd85 100644
--- a/Doc/tutorial/interpreter.rst
+++ b/Doc/tutorial/interpreter.rst
@@ -24,11 +24,11 @@
 popular alternative location.)
 
 On Windows machines, the Python installation is usually placed in
-:file:`C:\\Python36`, though you can change this when you're running the
+:file:`C:\\Python38`, though you can change this when you're running the
 installer.  To add this directory to your path,  you can type the following
 command into :ref:`a command prompt window <faq-run-program-under-windows>`::
 
-   set path=%path%;C:\python36
+   set path=%path%;C:\python38
 
 Typing an end-of-file character (:kbd:`Control-D` on Unix, :kbd:`Control-Z` on
 Windows) at the primary prompt causes the interpreter to exit with a zero exit