diff --git a/example.json b/example.json
index b26b54f..9a5f75a 100644
--- a/example.json
+++ b/example.json
@@ -24,6 +24,7 @@
         "_items": [
             {
                 "text": "This is option 1.",
+                "altText": "",
                 "_shouldBeSelected": true,
                 "_isPartlyCorrect": false,
                 "_graphic": {