[Validator] Change Range and Legth description formatting

Author: wkania

reference/constraints/Length.rst

@@ -23,8 +23,8 @@ Validator   :class:`Symfony\\Component\\Validator\\Constraints\\LengthValidator`
 Basic Usage
 -----------
 
-To verify that the ``firstName`` field length of a class is between "2"
-and "50", you might add the following:
+To verify that the ``firstName`` field length of a class is between ``2``
+and ``50``, you might add the following:
 
 .. configuration-block::
 

reference/constraints/Range.rst

@@ -22,7 +22,7 @@ Validator   :class:`Symfony\\Component\\Validator\\Constraints\\RangeValidator`
 Basic Usage
 -----------
 
-To verify that the "height" field of a class is between "120" and "180",
+To verify that the ``height`` field of a class is between ``120`` and ``180``,
 you might add the following:
 
 .. configuration-block::