diff --git a/06_Day_Tuples/06_tuples.md b/06_Day_Tuples/06_tuples.md
index 8823d231..a03a61d9 100644
--- a/06_Day_Tuples/06_tuples.md
+++ b/06_Day_Tuples/06_tuples.md
@@ -41,7 +41,7 @@ A tuple is a collection of different data types which is ordered and unchangeabl
 - tuple(): to create an empty tuple
 - count(): to count the number of a specified item in a tuple
 - index(): to find the index of a specified item in a tuple
-- + operator: to join two or more tuples and to create a new tuple
+- `+` operator: to join two or more tuples and to create a new tuple
 
 ### Creating a Tuple
 
diff --git a/Chinese/06_tuples.md b/Chinese/06_tuples.md
index d32a5792..75546c19 100644
--- a/Chinese/06_tuples.md
+++ b/Chinese/06_tuples.md
@@ -41,7 +41,7 @@
 - tuple()：创建一个空元组
 - count()：计算元组中指定项的数量
 - index()：查找元组中指定项的索引
-- + 运算符：连接两个或多个元组并创建一个新元组
+- `+` 运算符：连接两个或多个元组并创建一个新元组
 
 ### 如何创建元组