Update Engage faqs.md

Updating Engage FAQs to correct that an audience api exists

Author: maleman842

src/engage/faqs.md

@@ -8,9 +8,11 @@ redirect_from:
 
 ## Do you have an Audiences API?
 
-You can add, remove, and modify audiences only by using the Engage in-app audience builder.
+Yes, more information about the Audience API can be found by visiting the [Segment Public API documentation](https://docs.segmentapis.com/tag/Audiences).
 
-However, you can programmatically query the Profile API to determine if a user belongs to a particular audience because Engage creates a trait with the same name as your audience. For example, to determine if the user with an email address of `[email protected]` is a member of your `high_value_users` audience, you could query the following profile API URL:
+## Can I programmatically determine if a user belongs to a particular audience?
+
+Yes, you can programmatically query the Profile API to determine if a user belongs to a particular audience because Engage creates a trait with the same name as your audience. For example, to determine if the user with an email address of `[email protected]` is a member of your `high_value_users` audience, you could query the following profile API URL:
 
 ```
 https://profiles.segment.com/v1/namespaces/<namespace_id>/collections/users/profiles/email:[email protected]/traits?include=high_value_users