Normalize spelling of Mac OS X.
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst
index bc2220d..01406e0 100644
--- a/Doc/library/os.path.rst
+++ b/Doc/library/os.path.rst
@@ -190,9 +190,9 @@
.. function:: normcase(path)
- Normalize the case of a pathname. On Unix and MacOSX, this returns the path unchanged; on
- case-insensitive filesystems, it converts the path to lowercase. On Windows, it
- also converts forward slashes to backward slashes.
+ Normalize the case of a pathname. On Unix and Mac OS X, this returns the
+ path unchanged; on case-insensitive filesystems, it converts the path to
+ lowercase. On Windows, it also converts forward slashes to backward slashes.
.. function:: normpath(path)
diff --git a/Doc/library/ttk.rst b/Doc/library/ttk.rst
index f38664e..1795771 100644
--- a/Doc/library/ttk.rst
+++ b/Doc/library/ttk.rst
@@ -656,7 +656,7 @@
Platform-specific notes
^^^^^^^^^^^^^^^^^^^^^^^
-* On MacOS X, toplevel windows automatically include a built-in size grip
+* On Mac OS X, toplevel windows automatically include a built-in size grip
by default. Adding a :class:`Sizegrip` is harmless, since the built-in
grip will just mask the widget.