Minor tweak

Author: javiereguiluz

reference/forms/types/entity.rst

@@ -241,10 +241,10 @@ These options inherit from the :doc:`ChoiceType </reference/forms/types/choice>`
 
 **type**: ``boolean`` **default**: ``false``
 
-If true, the user will be able to select multiple options (as opposed
+If ``true``, the user will be able to select multiple options (as opposed
 to choosing just one option). Depending on the value of the ``expanded``
-option, this will render either a select tag or checkboxes if true and
-a select tag or radio buttons if false. The returned value will be a
+option, this will render either a select tag or checkboxes if ``true`` and
+a select tag or radio buttons if ``false``. The returned value will be a
 Doctrine's Array Collection.
 
 .. note::