Issue #9384: python -m tkinter will now display a simple demo applet.
diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index 7bb54fd..cf92ed4 100644
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -9,7 +9,9 @@
The :mod:`tkinter` package ("Tk interface") is the standard Python interface to
the Tk GUI toolkit. Both Tk and :mod:`tkinter` are available on most Unix
platforms, as well as on Windows systems. (Tk itself is not part of Python; it
-is maintained at ActiveState.)
+is maintained at ActiveState.) You can check that :mod:`tkinter` is properly
+installed on your system by running ``python -m tkinter`` from the command line;
+this should open a window demonstrating a simple Tk interface.
.. seealso::