diff --git a/snippets/isValidJSON.md b/snippets/isValidJSON.md
index 2a7c91971..56211961b 100644
--- a/snippets/isValidJSON.md
+++ b/snippets/isValidJSON.md
@@ -17,5 +17,6 @@ const isValidJSON = obj => {
 ```
 
 ```js
-
+isValidJSON('{"name":"Adam","age":20}'); // true
+isValidJSON('{"name":"Adam",age:"20"}'); // false
 ```