#7057: fix several errors.
diff --git a/Doc/using/mac.rst b/Doc/using/mac.rst
index c92398f..5ab30b6 100644
--- a/Doc/using/mac.rst
+++ b/Doc/using/mac.rst
@@ -143,7 +143,7 @@
the foundation of most modern Mac development. Information on PyObjC is
available from http://pyobjc.sourceforge.net.
-The standard Python GUI toolkit is :mod:`Tkinter`, based on the cross-platform
+The standard Python GUI toolkit is :mod:`tkinter`, based on the cross-platform
Tk toolkit (http://www.tcl.tk). An Aqua-native version of Tk is bundled with OS
X by Apple, and the latest version can be downloaded and installed from
http://www.activestate.com; it can also be built from source.