[reference][forms] Tiny markup tweaks for #1442

Author: weaverryan

reference/forms/types/options/escape_label.rst.inc

@@ -5,9 +5,8 @@ escape_label
 .. versionadded:: 2.1
     The ``escape_label`` option is new in Symfony 2.1.
 
-If set to false, the label's content won't be escaped. This option is useful when wanting to use HTML tags inside a label.
-
-.. code-block:: php
+If set to false, the label's content won't be escaped. This option is useful
+when wanting to use HTML tags inside a label::
 
     $builder->add('acceptRules', 'checkbox', array(
         'label'        => '<strong>I accept the rules</strong>',