add screenshot

Author: forstisabella

src/connections/alerting.md

@@ -6,7 +6,7 @@ beta: true
 Connections Alerting allows Segment users to receive in-app, email, and Slack notifications related to the performance and throughput of an event-streaming connection. 
 
 > info "Connections Alerting is in beta"
-> The Connections Alerting feature is in active development, and some functionality may change before it becomes generally available. During the beta, Connections Alerting supports event-streaming connections: [event streaming sources](/docs/connections/sources/#event-streams-sources) and [cloud-mode destinations](/docs/connections/destinations/#event-streams-destinations).
+> The Connections Alerting feature is in active development, and some functionality may change before it becomes generally available. During the beta, Connections Alerting supports event-streaming connections: [event streaming sources](/docs/connections/sources/#event-streams-sources) and [cloud-mode destinations](/docs/connections/destinations/#:~:text=Cloud%2Dmode%3A%20The%20sources%20send%20data%20directly%20to%20the%20Segment%20servers%2C%20which%20then%20translate%20it%20for%20each%20connected%20downstream%20destination%2C%20and%20send%20it%20on.).
 
 To access Connections Alerting, select an event-streaming connection (like a web library source or cloud mode destination) and click the **Alerts** tab. 
 
@@ -18,6 +18,8 @@ You can create an alert that notifies you when the volume of events received by
 
 To receive a source volume alert in a Slack channel, you must first create a Slack webhook. For more information about Slack webhooks, see the [Sending messages using incoming webhooks](https://api.slack.com/messaging/webhooks){:target="_blank”} documentation.
 
+![A screenshot of the Source Volume alert creation sidesheet.](images/alerting-source-alert.png)
+
 To create a source volume alert: 
 1. In your workspace, navigate to Connections, select Sources, and select the Event streams tab. 
 2. Select the [event streams source](/docs/connections/sources/#event-streams-sources) you'd like to configure alerts for.