diff --git a/src/TraitBuilder.ts b/src/TraitBuilder.ts
index 3272b11..a59b333 100644
--- a/src/TraitBuilder.ts
+++ b/src/TraitBuilder.ts
@@ -74,7 +74,7 @@ export class TraitBuilder<
     }
 
     implement<
-        ImplClassWithAbstract extends ImplSuper<typeof this>
+        ImplClassWithAbstract extends ImplSuper<typeof this>  // TODO: find a way to set the constraint to concrete classes while keeping the Super arg as an abstract class
     >(
         apply: (Super: ImplSuper<typeof this>) => ImplClassWithAbstract
     ) {