Update form.rst

Author: Yohann76

components/form.rst

@@ -763,7 +763,9 @@ method. This is useful when you'd like to validate the form without showing
 validation errors to the user (i.e. during a partial AJAX submission or
 :doc:`dynamic form modification </form/dynamic_form_modification>`).
 
-Because clearing the errors makes the form valid, ``clearErrors()`` should only
+Because clearing the errors makes the form valid, 
+:method:`Symfony\\Component\\Form\\ClearableErrorsInterface::clearErrors` should only
+
 be called after testing whether the form is valid.
 
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