diff --git a/service/user/form/formValidator.go b/service/user/form/formValidator.go
index 2bc05c4c..7a0a5783 100644
--- a/service/user/form/formValidator.go
+++ b/service/user/form/formValidator.go
@@ -45,9 +45,9 @@ func IsAgreed(t_and_c string) bool {
 
 // RegistrationForm is used when creating a user.
 type RegistrationForm struct {
-	Username  string `form:"username" needed:"true" min_len:"3" max_len:"20"`
+	Username  string `form:"username" needed:"true" len_min:"3" len_max:"20"`
 	Email     string `form:"email" needed:"true"`
-	Password  string `form:"password" needed:"true" min_len:"6" max_len:"25"`
+	Password  string `form:"password" needed:"true" len_min:"6" len_max:"25" equalInput:"Confirm_Password"`
 	Confirm_Password string `form:"password_confirmation" omit:"true" needed:"true"`
 	CaptchaID string `form:"captchaID" omit:"true" needed:"true"`
 	T_and_C   bool   `form:"t_and_c" omit:"true" needed:"true" equal:"true" hum_name:"Terms and Conditions"`
diff --git a/util/modelHelper/modelHelper.go b/util/modelHelper/modelHelper.go
index 72a98522..785f7de5 100644
--- a/util/modelHelper/modelHelper.go
+++ b/util/modelHelper/modelHelper.go
@@ -68,19 +68,19 @@ func ValidateForm(form interface{}, errorForm map[string][]string) (map[string][
 		if tag.Get("len_min") != "" { // Check minimum length
 			lenMin, _ := strconv.Atoi(tag.Get("len_min"))
 			if formElem.Field(i).Len() < lenMin {
-				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Minimal length of %s required for the input: %s", lenMin, inputName))
+				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Minimal length of %s required for the input: %s", strconv.Itoa(lenMin), inputName))
 			}
 		}
 		if tag.Get("len_max") != "" { // Check minimum length
 			lenMax, _ := strconv.Atoi(tag.Get("len_max"))
 			if formElem.Field(i).Len() > lenMax {
-				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Maximal length of %s required for the input: %s", lenMax, inputName))
+				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Maximal length of %s required for the input: %s", strconv.Itoa(lenMax), inputName))
 			}
 		}
 		if tag.Get("equalInput") != "" {
-			otherInput := formElem.FieldByName(tag.Get("equalForm"))
+			otherInput := formElem.FieldByName(tag.Get("equalInput"))
 			if formElem.Field(i).Interface() != otherInput.Interface() {
-				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Wrong value for the input: %s", inputName))
+				errorForm[tag.Get("form")] = append(errorForm[tag.Get("form")], fmt.Sprintf("Must be same %s", inputName))
 			}
 		}
 		switch typeField.Type.Name() {