diff --git a/user-interface/alerts.md b/user-interface/alerts.md
index 936d911..7509b81 100644
--- a/user-interface/alerts.md
+++ b/user-interface/alerts.md
@@ -23,7 +23,7 @@
 
 Send messages to your app users
 
-_introductory material goes here_
+When a user is working with your application, you may need to get their attention to ask them a question, remind them of something they need to do, or update them about some app process that just completed (or broke!). Apache Royale provides three components that let you get your message out, and one of them lets your app user respond.
 
 ## Alerts