updated Resources/doc/reference/conditional_validation.rst

Resources/doc/reference/conditional_validation.rst

@@ -3,12 +3,12 @@ Inline Validation
 
 The inline validation is about delegating model validation to a dedicated service.
 The current validation implementation built in the Symfony2 framework is very powerful
-as it allows to declare validation on : class, field and getter. However these declarations
-can take a while to code for complex rules. Rules must be a set of a ``Constraint``
+as it allows to declare validation on a : class, field and getter. However these declarations
+can take a while to code for complex rules. As rules must be a set of a ``Constraint``
 and ``Validator`` instances.
 
 The inline validation tries to provide a nice solution by introducing an ``ErrorElement``
-object. The object can be used to check assertion against the model :
+object. The object can be used to check assertions against the model :
 
 .. code-block:: php
 
@@ -43,6 +43,11 @@ object. The object can be used to check assertion against the model :
     This solution relies on the validator component so validation defined through
     the validator component will be used.
 
+.. tip::
+
+    You can also use ``$errorElement->addConstraint(new \Symfony\Component\Validator\Constraints\NotBlank())``
+    instead of calling assertNotBlank().
+
 Using this validator
 --------------------