Update _payload-option.rst.inc

Author: bvleur

reference/constraints/_payload-option.rst.inc

@@ -8,9 +8,9 @@ payload
 
 This option can be used to attach arbitrary domain-specific data to a constraint.
 The configured payload is not used by the Validator component, but its processing
-is completely up to.
+is completely up to you.
 
-For example, you may want to used
+For example, you may want to use
 :doc:`several error levels </cookbook/validation/severity>` to present failed
-constraint differently in the front-end depending on the severity of the
+constraints differently in the front-end depending on the severity of the
 error.