diff --git a/emper/Runtime.cpp b/emper/Runtime.cpp
index c1d6171d84e6a31442b50641e2365c5c172c1e85..02345263dd23017e5bd8e2ab7a00ea72e0ae442f 100644
--- a/emper/Runtime.cpp
+++ b/emper/Runtime.cpp
@@ -433,6 +433,7 @@ auto Runtime::nextFiber() -> std::optional<NextFiberResult> {
 		IoContext::ContinuationBuffer completions;
 		unsigned ncompletions =
 				IoContext::getWorkerIo()->reapCompletions<CallerEnvironment::OWNER>(completions);
+		// TODO: "Sort" completions by ones we want to defer and ones we want to execute right away.
 		if (ncompletions > 0) {
 			// Keep the first and schedule the rest
 			Fiber* next = completions[0];