diff --git a/endpoints/library.get.py b/endpoints/library.get.py
index 5eab723..e7e9d74 100644
--- a/endpoints/library.get.py
+++ b/endpoints/library.get.py
@@ -1,5 +1,5 @@
-# Entity: Book
-
+# Entity: Book, Author
+```python
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 from typing import List
@@ -15,4 +15,5 @@ async def get_books_by_authors(
     db: Session = Depends(get_db)
 ):
     books = db.query(Book).join(Author).all()
-    return books
\ No newline at end of file
+    return books
+```
\ No newline at end of file