diff --git a/docs/keys.md b/docs/keys.md
index 245e078b..9fd87814 100644
--- a/docs/keys.md
+++ b/docs/keys.md
@@ -132,9 +132,7 @@ users.map(function(u) {
 
 // PREFER
 users.map(function(u) {
-	return {tag: "[", key: u.id, children: [
-		m("button", u.name)
-	]}
+	return m.fragment({key: u.id}, m("button", u.name))
 })
 ```