[PATCH hg-website] Fix spacing for OS X and casing for Ubuntu

[timeless]

# HG changeset patch
# User timeless <timeless at gmail.com>
# Date 1290378494 -7200
# Node ID fda6b453213338657166ee2b31d84f7e58e2f5b1
# Parent  ef9f1f217c2bd63c340e78c173a3387a97d78a92
Fix spacing for OS X and casing for Ubuntu

diff --git a/downloads/index.html b/downloads/index.html
--- a/downloads/index.html
+++ b/downloads/index.html
@@ -28,7 +28,7 @@
     As a result, Mercurial is available on
     <a href="http://www.microsoft.com/windows">Microsoft Windows</a>,
     <a href="http://kernel.org">GNU/Linux</a>,
-    <a href="http://www.apple.com">MacOS X</a>,
+    <a href="http://www.apple.com">Mac OS X</a>,
     <a href="http://www.opensolaris.org">OpenSolaris</a> and others.
     You can either download a binary package for the system of your choice or
     build it from sources.</p>
@@ -40,7 +40,7 @@
     installed from the system specific repositories</p>
     <p>
 <pre>
-# Debian/ubuntu
+# Debian/Ubuntu
 $ apt-get install mercurial
 
 # Fedora