diff --git a/1-js/05-data-types/12-json/article.md b/1-js/05-data-types/12-json/article.md
index a701c76b..2942cdd8 100644
--- a/1-js/05-data-types/12-json/article.md
+++ b/1-js/05-data-types/12-json/article.md
@@ -393,7 +393,7 @@ alert( JSON.stringify(meetup) );
 */
 ```
 
-As we can see, `toJSON` is used both for the direct call `JSON.stringify(room)` and when `room` is nested is another encoded object.
+As we can see, `toJSON` is used both for the direct call `JSON.stringify(room)` and when `room` is nested in another encoded object.
 
 
 ## JSON.parse