diff --git a/README.md b/README.md
index 4c6573d..f93af9f 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 * 和弦辨識（透過 Tonal.js）
 * 內建截圖功能（點鍵盤最左上角的角落）
 
-介紹影片：[WiwiVideo](https://wiwi.video/w/uzo8aZmdx1rvYJfWZBgmCM) | [YouTube](https://www.youtube.com/watch?v=YsL7WGUEU-4]
+介紹影片：[WiwiVideo](https://wiwi.video/w/uzo8aZmdx1rvYJfWZBgmCM) | [YouTube](https://www.youtube.com/watch?v=YsL7WGUEU-4)
 
 現在就用用看：https://nicechord.com/pianometer/
 
@@ -32,6 +32,6 @@ An 88-key piano keyboard display, great for practicing, recording videos, and li
 * Chord Recognition (via Tonal.js)
 * Built-in screenshot feature (click on the top-left corner of the keyboard)
 
-Introduction video: [PeerTube](https://wiwi.video/w/uzo8aZmdx1rvYJfWZBgmCM) | [YouTube](https://www.youtube.com/watch?v=YsL7WGUEU-4]
+Introduction video: [PeerTube](https://wiwi.video/w/uzo8aZmdx1rvYJfWZBgmCM) | [YouTube](https://www.youtube.com/watch?v=YsL7WGUEU-4)
 
 Try it now: https://nicechord.com/pianometer/