diff --git a/docs/asynciterable/creating.md b/docs/asynciterable/creating.md
index a121dde3..94fb938b 100644
--- a/docs/asynciterable/creating.md
+++ b/docs/asynciterable/creating.md
@@ -57,7 +57,7 @@ sink.write(2);
 sink.write(3);
 sink.end();
 
-const it = source[Symbol.asyncIterator]();
+const it = sink[Symbol.asyncIterator]();
 let value, done;
 
 { value, done } = await it.next();