diff --git a/Sources/Queue/AsyncSerialQueue.swift b/Sources/Queue/AsyncSerialQueue.swift
index 9d7796c..9cdaa1f 100644
--- a/Sources/Queue/AsyncSerialQueue.swift
+++ b/Sources/Queue/AsyncSerialQueue.swift
@@ -1,3 +1,6 @@
+/// A esrial queue implemented on top of AsyncSequence.
+///
+/// This type is an experiment. I believe it works, but it currently has no tests and has been used very little.
 actor AsyncSerialQueue {
 	public actor QueueTask {
 		var cancelled = false