diff --git a/create/code.mdx b/create/code.mdx
index cf5442442..45c54139b 100644
--- a/create/code.mdx
+++ b/create/code.mdx
@@ -324,11 +324,11 @@ from dataclasses import dataclass
 
 @dataclass
 class Book:
-title: str
-author: str
-isbn: str
-checked_out: bool = False
-due_date: Optional[datetime] = None
+    title: str
+    author: str
+    isbn: str
+    checked_out: bool = False
+    due_date: Optional[datetime] = None
 
 class Library:
     def __init__(self):