[cleanup] Update Descriptor comment in builtins-handler-gen.cc

Change-Id: Iafb5cc7f634f7c56f9dfc0d64032953773453436
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1899614
Auto-Submit: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64773}

src/builtins/builtins-handler-gen.cc

@@ -220,8 +220,8 @@ void Builtins::Generate_StoreIC_NoFeedback(
   StoreICNoFeedbackGenerator::Generate(state);
 }
 
-// TODO(mythria): Check if we can remove feedback vector and slot parameters in
-// descriptor.
+// TODO(mythria): Create a Descriptor without feedback vector and slot
+// parameters.
 void HandlerBuiltinsAssembler::Generate_KeyedStoreIC_Slow() {
   using Descriptor = StoreWithVectorDescriptor;
   TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver));