diff --git a/_docs/_user_guide/message_building_by_channel/in-app_messages/templates/simple_survey.md b/_docs/_user_guide/message_building_by_channel/in-app_messages/templates/simple_survey.md
index 2a9160c9ca1..72e5eff56cc 100644
--- a/_docs/_user_guide/message_building_by_channel/in-app_messages/templates/simple_survey.md
+++ b/_docs/_user_guide/message_building_by_channel/in-app_messages/templates/simple_survey.md
@@ -20,10 +20,14 @@ For example, ask users how they'd like to use your app, learn more about their p
 
 ## SDK requirements {#supported-sdk-versions}
 
-This in-app message must have at least the following [SDK versions]({{site.baseurl}}/user_guide/engagement_tools/campaigns/ideas_and_strategies/new_features/#filtering-by-most-recent-app-versions). On Web, this message will only be delivered on browsers that support [Flex CSS](https://caniuse.com/?search=flex).
+This in-app message will only be delivered to devices that support [Flex CSS](https://caniuse.com/flexbox), and must have at least the following [SDK versions]({{site.baseurl}}/user_guide/engagement_tools/campaigns/ideas_and_strategies/new_features/#filtering-by-most-recent-app-versions). 
 
 {% sdk_min_versions web:2.5.0 android:8.0.0 ios:3.23.0 %}
 
+{% alert note %}
+To enable HTML in-app messages through the Web SDK, you must supply the `allowUserSuppliedJavascript` initialization option to Braze.
+{% endalert %}
+
 ## Creating a survey {#create}
 
 When creating an [in-app message][1], select **Simple Survey** for your **Message Type**.