diff --git a/app/pages/PageEnigma/signals/sizing.ts b/app/pages/PageEnigma/signals/sizing.ts
index 85f6ce503..95f8a2739 100644
--- a/app/pages/PageEnigma/signals/sizing.ts
+++ b/app/pages/PageEnigma/signals/sizing.ts
@@ -6,7 +6,7 @@ import { timelineScrollX } from "~/pages/PageEnigma/signals/timing";
 
 // timeline
 export const scale = signal(1);
-export const filmLength = signal(7);
+export const filmLength = signal(7); // seconds
 export const timelineHeight = signal(0);
 
 export const cameraMinimized = signal(false);