diff --git a/design/go2draft-contracts.md b/design/go2draft-contracts.md
index dc1e74a..bd00879 100644
--- a/design/go2draft-contracts.md
+++ b/design/go2draft-contracts.md
@@ -2323,7 +2323,7 @@
 Example use:
 
 ```Go
-	s := set.Make(int)
+	s := set.Make(int)()
 	s.Add(1)
 	if s.Contains(2) { panic("unexpected 2") }
 ```