diff --git a/modules/koto b/modules/koto
index ab177ad..1f2f451 160000
--- a/modules/koto
+++ b/modules/koto
@@ -1 +1 @@
-Subproject commit ab177adccb877e2a6bc87e03ce340ca5947d3692
+Subproject commit 1f2f4515a946f993f8db18dc5944debbb9b82304
diff --git a/website/playground/examples/cookbook/set.koto b/website/playground/examples/cookbook/set.koto
index 3fce7d1..a788b2d 100644
--- a/website/playground/examples/cookbook/set.koto
+++ b/website/playground/examples/cookbook/set.koto
@@ -31,7 +31,7 @@ make_set = |values|
   # represented by a key.
   data = if values then values.to_map() else {}
   # Return a map containing the provided data, along with the Set metamap
-  {data}.set_meta set_ops
+  {data}.with_meta set_ops
 
 # An iterator consumer that makes a Set from the iterator's output values
 iterator.to_set = || make_set self