corrected the format of the definition of assert Length

Author: hugohenrique

Resources/doc/overriding_forms.md

@@ -38,8 +38,13 @@ class User extends BaseUser
      * @ORM\Column(type="string", length=255)
      *
      * @Assert\NotBlank(message="Please enter your name.", groups={"Registration", "Profile"})
-     * @Assert\Length(min=3, message="The name is too short.", groups={"Registration", "Profile"})
-     * @Assert\Length(max=255, message="The name is too long.", groups={"Registration", "Profile"})
+     * @Assert\Length(
+     *     min=3,
+     *     max="255",
+     *     minMessage="The name is too short.",
+     *     maxMessage="The name is too long.",
+     *     groups={"Registration", "Profile"}
+     * )
      */
     protected $name;