diff --git a/packages/core/event-handler.js b/packages/core/event-handler.js
index c680b09..80e8827 100644
--- a/packages/core/event-handler.js
+++ b/packages/core/event-handler.js
@@ -177,7 +177,7 @@ function isConstructor(f) {
   try {
     new f();
   } catch (err) {
-    // verify err is the expected error and then
+    // TODO: verify err is the expected error and then
     return false;
   }
   return true;