Fixes headings in Table of Contents, link from FAQ.

Docker-DCO-1.1-Signed-off-by: Andy Rothfusz <github@developersupport.net> (github: metalivedev)

docs/sources/faq.rst

@@ -26,7 +26,7 @@ Does Docker run on Mac OS X or Windows?
    Not at this time, Docker currently only runs on Linux, but you can
    use VirtualBox to run Docker in a virtual machine on your box, and
    get the best of both worlds. Check out the
-   :ref:`install_using_vagrant` and :ref:`windows` installation
+   :ref:`macosx` and :ref:`windows` installation
    guides.
 
 How do containers compare to virtual machines?

docs/sources/installation/mac.rst

@@ -2,8 +2,9 @@
 :description: Please note this project is currently under heavy development. It should not be used in production.
 :keywords: Docker, Docker documentation, requirements, virtualbox, ssh, linux, os x, osx, mac
 
-.. macosx:
+.. _macosx:
 
+========
 Mac OS X
 ========