From b4e216c0be8ac8b9f6001ce3c400be4725a33718 Mon Sep 17 00:00:00 2001
From: Amy <a258wang@uwaterloo.ca>
Date: Tue, 22 Feb 2022 22:12:31 -0500
Subject: [PATCH] Update array key

---
 pages/index.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pages/index.tsx b/pages/index.tsx
index d64c66e..46c3461 100644
--- a/pages/index.tsx
+++ b/pages/index.tsx
@@ -7,7 +7,7 @@ export default function Home(props: Props) {
     <ul>
       {props.books.map((book, idx) => {
         return (
-          <li key={`${idx}_${book.isbn ?? ""}`}>
+          <li key={`${idx}_${book.id}`}>
             {book.id}; {book.title}; {book.authors}; {book.isbn}
           </li>
         );