From 6fa398768999ae7b2684016b8cf7c12b732adef6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BB=A4=E7=8B=90=E4=B8=80=E5=86=B2?=
 <43949039+anonymousGiga@users.noreply.github.com>
Date: Wed, 17 May 2023 14:04:10 +0800
Subject: [PATCH] Update chapter_3_4.md

---
 src/chapter_3/chapter_3_4.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chapter_3/chapter_3_4.md b/src/chapter_3/chapter_3_4.md
index 37a7dbb..d032ccc 100644
--- a/src/chapter_3/chapter_3_4.md
+++ b/src/chapter_3/chapter_3_4.md
@@ -17,7 +17,7 @@
 （2）块注释，使用“/*... */”。
 
 示例如下：
-```
+```Rust
 /*
  * 块注释：
  * 函数名：sum