diff --git a/TODO.txt b/TODO.txt
index 01832e7..0ce43a7 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -129,6 +129,8 @@ level ideas:
 
 bugs:
 
+- On desktop, SDL makes a high-pitched noise with music on for some reason.
+
 done:
 
 - add headbob