diff --git a/lw/co/future.h b/lw/co/future.h
index 5a4102e..6452630 100644
--- a/lw/co/future.h
+++ b/lw/co/future.h
@@ -374,6 +374,7 @@ Future<T> make_resolved_future(std::exception_ptr err) {
  */
 template <typename... Args>
 co::Future<std::tuple<Args...>> all(co::Future<Args>... futures) {
+  // TODO(#14): Implement this method for `co::Future<void>`.
   co_return std::make_tuple((co_await futures)...);
 }
 
diff --git a/lw/co/future_test.cpp b/lw/co/future_test.cpp
index b8ad8fd..241f2af 100644
--- a/lw/co/future_test.cpp
+++ b/lw/co/future_test.cpp
@@ -374,7 +374,7 @@ TEST(AwaitAll, AllResolve) {
   destroy_all_schedulers();
 }
 
-// TODO(alaina): Implement support for Future<void> in co::all.
+// TODO(#14): Implement support for Future<void> in co::all.
 // TEST(AwaitAll, AllVoid) {
 //   int counter = 0;
 //   auto coro0 = [&]() -> Future<void> {