diff --git a/de/02.6.md b/de/02.6.md
index 3766a518..f36c2528 100644
--- a/de/02.6.md
+++ b/de/02.6.md
@@ -138,7 +138,7 @@ Es ist wie im oberen Beispiel. Erstellen wir eine Variable "m" mit dem Interface
 		mike := Student{Mensch{"Mike", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Mensch{"Paul", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Mitarbeiter{Mensch{"Sam", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Mitarbeiter{Mensch{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
+		tom := Mitarbeiter{Mensch{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
 	
 		// Definiere i vom Typ Interface Männer
 		var i Männer
@@ -150,7 +150,7 @@ Es ist wie im oberen Beispiel. Erstellen wir eine Variable "m" mit dem Interface
 		i.Singe("November rain")
 	
 		// i kann auch Mitarbeiter zugewiesen bekommen
-		i = Tom
+		i = tom
 		fmt.Println("Das ist Tom, ein Mitarbeiter:")
 		i.SagHallo()
 		i.Singe("Born to be wild")
@@ -394,4 +394,4 @@ Nun kennen wir die Grundlagen der Reflexion. Es erfordert jedoch noch ein wenig
 
 - [Inhaltsverzeichnis](preface.md)
 - Vorheriger Abschnitt: [Objektorientierte Programmierung](02.5.md)
-- Nächster Abschnitt: [Nebenläufigkeit](02.7.md)
\ No newline at end of file
+- Nächster Abschnitt: [Nebenläufigkeit](02.7.md)
diff --git a/en/02.6.md b/en/02.6.md
index 20dfbf2a..8b2c724b 100644
--- a/en/02.6.md
+++ b/en/02.6.md
@@ -138,7 +138,7 @@ Like the above example, if we define a variable "m" as interface Men, then any o
 		mike := Student{Human{"Mike", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Human{"Paul", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Employee{Human{"Sam", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Employee{Human{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
+		tom := Employee{Human{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
 	
 		// define interface i
 		var i Men
@@ -150,7 +150,7 @@ Like the above example, if we define a variable "m" as interface Men, then any o
 		i.Sing("November rain")
 	
 		//i can store Employee
-		i = Tom
+		i = tom
 		fmt.Println("This is Tom, an Employee:")
 		i.SayHi()
 		i.Sing("Born to be wild")
diff --git a/ja/02.6.md b/ja/02.6.md
index 367c9f28..21a872e0 100644
--- a/ja/02.6.md
+++ b/ja/02.6.md
@@ -142,7 +142,7 @@ mは３つの型を持つことのできるオブジェクトなので、Men型
 		mike := Student{Human{"Mike", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Human{"Paul", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Employee{Human{"Sam", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Employee{Human{"Tom", 37, "222-444-XXX"}, "Things Ltd.", 5000}
+		tom := Employee{Human{"Tom", 37, "222-444-XXX"}, "Things Ltd.", 5000}
 
 		//Men型の変数iを定義します。
 		var i Men
@@ -154,7 +154,7 @@ mは３つの型を持つことのできるオブジェクトなので、Men型
 		i.Sing("November rain")
 
 		//iにはEmployeeを保存することもできます。
-		i = Tom
+		i = tom
 		fmt.Println("This is Tom, an Employee:")
 		i.SayHi()
 		i.Sing("Born to be wild")
diff --git a/pt-br/02.6.md b/pt-br/02.6.md
index 40167fac..ec7196af 100644
--- a/pt-br/02.6.md
+++ b/pt-br/02.6.md
@@ -138,7 +138,7 @@ Like the above example, if we define a variable "m" as interface Men, then any o
 		mike := Student{Human{"Mike", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Human{"Paul", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Employee{Human{"Sam", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Employee{Human{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
+		tom := Employee{Human{"Sam", 36, "444-222-XXX"}, "Things Ltd.", 5000}
 	
 		// define interface i
 		var i Men
@@ -150,7 +150,7 @@ Like the above example, if we define a variable "m" as interface Men, then any o
 		i.Sing("November rain")
 	
 		//i can store Employee
-		i = Tom
+		i = tom
 		fmt.Println("This is Tom, an Employee:")
 		i.SayHi()
 		i.Sing("Born to be wild")
diff --git a/ru/02.6.md b/ru/02.6.md
index 874323dd..cfc6ea00 100644
--- a/ru/02.6.md
+++ b/ru/02.6.md
@@ -138,7 +138,7 @@
 		mike := Student{Human{"Майк", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Human{"Пол", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Employee{Human{"Сэм", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Employee{Human{"Сэм", 36, "444-222-XXX"}, "Things Ltd.", 5000}
+		tom := Employee{Human{"Сэм", 36, "444-222-XXX"}, "Things Ltd.", 5000}
 	
 		// определяем интерфейс i
 		var i Men
@@ -150,7 +150,7 @@
 		i.Sing("November rain")
 	
 		//i может быть Employee
-		i = Tom
+		i = tom
 		fmt.Println("Это Том, работник:")
 		i.SayHi()
 		i.Sing("Born to be wild")
diff --git a/zh/02.6.md b/zh/02.6.md
index 7b527697..7d3297f8 100644
--- a/zh/02.6.md
+++ b/zh/02.6.md
@@ -142,7 +142,7 @@ interface类型定义了一组方法，如果某个对象实现了某个接口
 		mike := Student{Human{"Mike", 25, "222-222-XXX"}, "MIT", 0.00}
 		paul := Student{Human{"Paul", 26, "111-222-XXX"}, "Harvard", 100}
 		sam := Employee{Human{"Sam", 36, "444-222-XXX"}, "Golang Inc.", 1000}
-		Tom := Employee{Human{"Tom", 37, "222-444-XXX"}, "Things Ltd.", 5000}
+		tom := Employee{Human{"Tom", 37, "222-444-XXX"}, "Things Ltd.", 5000}
 
 		//定义Men类型的变量i
 		var i Men
@@ -154,8 +154,8 @@ interface类型定义了一组方法，如果某个对象实现了某个接口
 		i.Sing("November rain")
 
 		//i也能存储Employee
-		i = Tom
-		fmt.Println("This is Tom, an Employee:")
+		i = tom
+		fmt.Println("This is tom, an Employee:")
 		i.SayHi()
 		i.Sing("Born to be wild")