Merge pull request #697 from irons/typo/xcode

Fix Xcode typo

Author: kennethreitz

docs/starting/install/osx.rst

@@ -22,18 +22,18 @@ Doing it Right
 Let's install a real version of Python.
 
 Before installing Python, you'll need to install GCC. GCC can be obtained
-by downloading `XCode <http://developer.apple.com/xcode/>`_, the smaller
+by downloading `Xcode <http://developer.apple.com/xcode/>`_, the smaller
 `Command Line Tools <https://developer.apple.com/downloads/>`_ (must have an
 Apple account) or the even smaller `OSX-GCC-Installer <https://github.com/kennethreitz/osx-gcc-installer#readme>`_
 package.
 
 .. note::
-    If you already have XCode installed, do not install OSX-GCC-Installer.
+    If you already have Xcode installed, do not install OSX-GCC-Installer.
     In combination, the software can cause issues that are difficult to
     diagnose.
 
 .. note::
-    If you perform a fresh install of XCode, you will also need to add the 
+    If you perform a fresh install of Xcode, you will also need to add the 
     commandline tools by running ``xcode-select --install`` on the terminal.
 
 While OS X comes with a large number of UNIX utilities, those familiar with