diff --git a/notes/代码可读性.md b/notes/代码可读性.md
index 744b8bab..fdc7e2c6 100644
--- a/notes/代码可读性.md
+++ b/notes/代码可读性.md
@@ -95,7 +95,7 @@ Map<String, Integer> scoreMap = new HashMap<>();
 ```
 
 ```java
-// Student' name -> Student's score
+// Student's name -> Student's score
 Map<String, Integer> scoreMap = new HashMap<>();
 ```