#7057: fix several errors.
diff --git a/Doc/library/pydoc.rst b/Doc/library/pydoc.rst
index b43f84d..4103dd4 100644
--- a/Doc/library/pydoc.rst
+++ b/Doc/library/pydoc.rst
@@ -54,7 +54,7 @@
:option:`-p 1234` will start a HTTP server on port 1234, allowing you to browse
the documentation at ``http://localhost:1234/`` in your preferred Web browser.
:program:`pydoc` :option:`-g` will start the server and additionally bring up a
-small :mod:`Tkinter`\ -based graphical interface to help you search for
+small :mod:`tkinter`\ -based graphical interface to help you search for
documentation pages.
When :program:`pydoc` generates documentation, it uses the current environment