Remove things specific to the old Macintosh, and spell "Mac OS X" consistently.
diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst
index b1a392e..944b9f1 100644
--- a/Doc/library/shutil.rst
+++ b/Doc/library/shutil.rst
@@ -22,7 +22,7 @@
can't copy all file metadata.
On POSIX platforms, this means that file owner and group are lost as well
- as ACLs. On MacOS, the resource fork and other metadata are not used.
+ as ACLs. On Mac OS, the resource fork and other metadata are not used.
This means that resources will be lost and file type and creator codes will
not be correct. On Windows, file owners, ACLs and alternate data streams
are not copied.