diff --git a/problems/kamacoder/0109.冗余连接II.md b/problems/kamacoder/0109.冗余连接II.md
index 9c2f4039..916a2fd1 100644
--- a/problems/kamacoder/0109.冗余连接II.md
+++ b/problems/kamacoder/0109.冗余连接II.md
@@ -78,7 +78,7 @@
 
 ![](https://code-thinking-1253855093.file.myqcloud.com/pics/20240527120531.png)
 
-对于情况二，删掉构成环的边就可以了。 
+对于情况三，删掉构成环的边就可以了。 
 
 
 ## 写代码