diff --git a/tracker/tracker-assist/src/Assist.ts b/tracker/tracker-assist/src/Assist.ts
index 44b90c848..43f342481 100644
--- a/tracker/tracker-assist/src/Assist.ts
+++ b/tracker/tracker-assist/src/Assist.ts
@@ -39,7 +39,7 @@ enum CallingState {
 };
 
 
-// TODO typing???? () => ((() => void) | void)
+// TODO typing????
 type OptionalCallback = (() => void) | void
 type Agent = {
   onDisconnect?: OptionalCallback,