diff --git a/res/README.md b/res/README.md
index d11a6a9..114e6ea 100644
--- a/res/README.md
+++ b/res/README.md
@@ -3,3 +3,4 @@ RESOURCES
 
 ## Audio
  - [spotlight.wav](https://otologic.jp/free/se/theater01.html) (OtoLogic)
+ - [shortbridge.wav](https://otologic.jp/free/se/shortbridge01.html) (OtoLogic)