diff --git a/docs/chapter_preface/suggestions.md b/docs/chapter_preface/suggestions.md
index 8b4056366..292038dee 100644
--- a/docs/chapter_preface/suggestions.md
+++ b/docs/chapter_preface/suggestions.md
@@ -172,7 +172,12 @@
 === "Ruby"
 
     ```ruby title=""
+    ### 标题注释，用于标注函数、类、测试样例等 ###
 
+    # 内容注释，用于详解代码
+    
+    # 多行
+    # 注释
     ```
 
 === "Zig"