Remove things specific to the old Macintosh, and spell "Mac OS X" consistently.
diff --git a/Doc/library/index.rst b/Doc/library/index.rst
index 657011a..717bfb8 100644
--- a/Doc/library/index.rst
+++ b/Doc/library/index.rst
@@ -23,7 +23,7 @@
encourage and enhance the portability of Python programs by abstracting
away platform-specifics into platform-neutral APIs.
-The Python installers for the Windows and Mac platforms usually include
+The Python installers for the Windows platform usually includes
the entire standard library and often also include many additional
components. For Unix-like operating systems Python is normally provided
as a collection of packages, so it may be necessary to use the packaging