diff --git a/documents/main.md b/documents/main.md
index 798fcd2..774c44a 100644
--- a/documents/main.md
+++ b/documents/main.md
@@ -49,6 +49,7 @@ Python code block:
 def greet(name):
     print(f"Hello, {name}!")
 greet("Markdown")
+```
 
 ---