Addressed @javiereguiluz comments

Author: lrlopez

components/property_access/introduction.rst

@@ -397,16 +397,16 @@ configuration files.
     <Symfony\\Component\\PropertyAccess\\PropertyAccessorBuilder::setMetadataFactory>`
     see `Enable other Features`_.
 
-There are four method calls that can be overriden: `getter`, `setter`, `adder` and
-`remover`.
+There are four method calls that can be overriden: ``getter``, ``setter`, ``adder`` and
+``remover``.
 
-When using annotations you can precede a property with `@Property` to state which
+When using annotations you can precede a property with ``@Property`` to state which
 method should be called when a get, set, add or remove operation is needed on the
 property.
 
 .. configuration-block::
 
-    .. code-block:: php
+    .. code-block:: php-annotations
 
         // ...
         use Symfony\Component\PropertyAccess\Annotation\Property;
@@ -436,6 +436,7 @@ property.
 
     .. code-block:: yaml
 
+        # src/AppBundle/Resources/config/property_access.yml
         Person:
             name:
                 getter: getFullName
@@ -446,6 +447,7 @@ property.
 
     .. code-block:: xml
 
+        <!-- src/AppBundle/Resources/config/property_access.xml -->
         <?xml version="1.0" ?>
 
         <property-access xmlns="http://symfony.com/schema/dic/property-access-mapping"