Maybe 

````
Please read this first
----------------------------

 * :doc:`DoctrinePhpcrOdmBundle<../bundles/phpcr-odm>` - Documentation on the PHPCR-ODM Doctrine bundle
 * :doc:`Creating a CMS using the CMF and Sonata<creating-cms-using-cmf-and-sonata>`
````

The only two things I can think of that  might stop your version from working are the missing blank line before the `:doc:` and maybe the missing `<` and `>` around the link.