diff --git a/de/04.1.md b/de/04.1.md
index a95ade6c..3bada622 100644
--- a/de/04.1.md
+++ b/de/04.1.md
@@ -55,7 +55,7 @@ This is easy to find out using the `http` package. Let's see how to handle the f
 			fmt.Println("password:", r.Form["password"])
 		}
 	}
-		
+
 	func main() {
 		http.HandleFunc("/", sayhelloName) // setting router rule
 		http.HandleFunc("/login", login)
@@ -84,9 +84,9 @@ Try changing the value of the action in the form `http://127.0.0.1:9090/login` t
 
 ![](images/4.1.slice.png?raw=true)
 
-Figure 4.2 Server prints request data 
+Figure 4.2 Server prints request data
 
-The type of `request.Form` is `url.Value`. It saves data with the format `key=value`.
+The type of `request.Form` is `url.Values`. It saves data with the format `key=value`.
 
 	v := url.Values{}
 	v.Set("name", "Ava")
diff --git a/en/04.1.md b/en/04.1.md
index 781105f6..5f66e2e5 100644
--- a/en/04.1.md
+++ b/en/04.1.md
@@ -85,9 +85,9 @@ Try changing the value of the action in the form `http://127.0.0.1:9090/login` t
 
 ![](images/4.1.slice.png?raw=true)
 
-Figure 4.2 Server prints request data 
+Figure 4.2 Server prints request data
 
-The type of `request.Form` is `url.Value`. It saves data with the format `key=value`.
+The type of `request.Form` is `url.Values`. It saves data with the format `key=value`.
 ```Go
 	v := url.Values{}
 	v.Set("name", "Ava")
diff --git a/es/04.1.md b/es/04.1.md
index 1b3b8553..1ba5affb 100644
--- a/es/04.1.md
+++ b/es/04.1.md
@@ -86,7 +86,7 @@ Trata de cambiar la URL de ingreso de `http://127.0.0.1:9090/login` a `http://12
 
 Figure 4.2 Server prints request data
 
-El tipo de `request.Form` es `url.Value`. Y lo guarda en el formato `llave=valor`.
+El tipo de `request.Form` es `url.Values`. Y lo guarda en el formato `llave=valor`.
 ```
 	v := url.Values{}
 	v.Set("name", "Ava")
diff --git a/pt-br/04.1.md b/pt-br/04.1.md
index a95ade6c..3bada622 100644
--- a/pt-br/04.1.md
+++ b/pt-br/04.1.md
@@ -55,7 +55,7 @@ This is easy to find out using the `http` package. Let's see how to handle the f
 			fmt.Println("password:", r.Form["password"])
 		}
 	}
-		
+
 	func main() {
 		http.HandleFunc("/", sayhelloName) // setting router rule
 		http.HandleFunc("/login", login)
@@ -84,9 +84,9 @@ Try changing the value of the action in the form `http://127.0.0.1:9090/login` t
 
 ![](images/4.1.slice.png?raw=true)
 
-Figure 4.2 Server prints request data 
+Figure 4.2 Server prints request data
 
-The type of `request.Form` is `url.Value`. It saves data with the format `key=value`.
+The type of `request.Form` is `url.Values`. It saves data with the format `key=value`.
 
 	v := url.Values{}
 	v.Set("name", "Ava")
diff --git a/ru/04.1.md b/ru/04.1.md
index 42f10e10..afd9eec9 100644
--- a/ru/04.1.md
+++ b/ru/04.1.md
@@ -55,7 +55,7 @@
 			fmt.Println("Пароль:", r.Form["password"])
 		}
 	}
-		
+
 	func main() {
 		http.HandleFunc("/", sayhelloName) // устанавливаем правила маршрутизатора
 		http.HandleFunc("/login", login)
@@ -84,9 +84,9 @@
 
 ![](images/4.1.slice.png?raw=true)
 
-Рисунок 4.2 Сервер печатает данные запроса 
+Рисунок 4.2 Сервер печатает данные запроса
 
-Тип поля `request.Form` - это `url.Value`. Данные в нем сохраняются в формате `ключ=значение`.
+Тип поля `request.Form` - это `url.Values`. Данные в нем сохраняются в формате `ключ=значение`.
 
 	v := url.Values{}
 	v.Set("name", "Ava")
diff --git a/th/04.1.md b/th/04.1.md
index 781105f6..5f66e2e5 100644
--- a/th/04.1.md
+++ b/th/04.1.md
@@ -85,9 +85,9 @@ Try changing the value of the action in the form `http://127.0.0.1:9090/login` t
 
 ![](images/4.1.slice.png?raw=true)
 
-Figure 4.2 Server prints request data 
+Figure 4.2 Server prints request data
 
-The type of `request.Form` is `url.Value`. It saves data with the format `key=value`.
+The type of `request.Form` is `url.Values`. It saves data with the format `key=value`.
 ```Go
 	v := url.Values{}
 	v.Set("name", "Ava")