diff --git a/9-regular-expressions/11-regexp-groups/article.md b/9-regular-expressions/11-regexp-groups/article.md
index 6fdf727a..e559fd87 100644
--- a/9-regular-expressions/11-regexp-groups/article.md
+++ b/9-regular-expressions/11-regexp-groups/article.md
@@ -18,7 +18,7 @@ Without parentheses, the pattern `pattern:go+` means `subject:g` character, foll
 Parentheses group characters together, so `pattern:(go)+` means `match:go`, `match:gogo`, `match:gogogo` and so on.
 
 ```js run
-alert( 'Gogogo now!'.match(/(go)+/i) ); // "Gogogo"
+alert( 'Gogogo now!'.match(/(go)+/ig) ); // "Gogogo"
 ```
 
 ### Example: domain