Add examples that work on Windows to distutils docs (#1626300)
diff --git a/Doc/distutils/introduction.rst b/Doc/distutils/introduction.rst
index 8dc604d..57d34a4 100644
--- a/Doc/distutils/introduction.rst
+++ b/Doc/distutils/introduction.rst
@@ -79,11 +79,17 @@
   for an example)
 
 To create a source distribution for this module, you would create a setup
-script, :file:`setup.py`, containing the above code, and run::
+script, :file:`setup.py`, containing the above code, and run this command from a
+terminal::
 
    python setup.py sdist
 
-which will create an archive file (e.g., tarball on Unix, ZIP file on Windows)
+For Windows, open a command prompt windows ("DOS box") and change the command
+to::
+
+   setup.py sdist
+
+:command:`sdist` will create an archive file (e.g., tarball on Unix, ZIP file on Windows)
 containing your setup script :file:`setup.py`, and your module :file:`foo.py`.
 The archive file will be named :file:`foo-1.0.tar.gz` (or :file:`.zip`), and
 will unpack into a directory :file:`foo-1.0`.