diff --git a/docs/1-trial-session/10-array/index.md b/docs/1-trial-session/10-array/index.md
index 377829a8c..9bab0e8e9 100644
--- a/docs/1-trial-session/10-array/index.md
+++ b/docs/1-trial-session/10-array/index.md
@@ -191,8 +191,6 @@ function findMax(array) {
 
 <ViewSource url={import.meta.url} path="_samples/array-max" />
 
----
-
 :::info 別解 (参考)
 
 [`array.reduce` メソッド](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce) を使ってこのように書くこともできます。