diff --git a/docs/set-map.md b/docs/set-map.md
index 288df26..c2f5860 100644
--- a/docs/set-map.md
+++ b/docs/set-map.md
@@ -114,7 +114,7 @@ s.has(1) // true
 s.has(2) // true
 s.has(3) // false
 
-s.delete(2);
+s.delete(2) // true
 s.has(2) // false
 ```