Updates to Alerts summmary UI (#7030)

Author: natasha-moore-elastic

docs/detections/alerts-visualizations.asciidoc

@@ -4,7 +4,7 @@
 Visualize and group detection alerts by specific parameters in the visualization section of the Alerts page. 
 
 [role="screenshot"]
-image::images/alert-page-visualizations.png[Alerts page with visualizations section highlighted]
+image::images/alert-page.png[Alerts page with visualizations section]
 
 Use the left buttons to select a view type (*Summary*, *Trend*, *Counts*, or *Treemap*), and use the right menus to select the ECS fields to use for grouping: 
 
@@ -33,7 +33,7 @@ On the Alerts page, the summary visualization displays by default and shows how
 * *Alerts by name*: How many alerts each detection rule created.
 * *Top alerts by*: Percentage of alerts with a specified field value: `host.name` (default), `user.name`, `source.ip`, or `destination.ip`.
 
-You can hover and click on elements within the summary — such as severity levels, rule names, and host names — to add filters with those values to the Alerts page.
+You can interact with elements within the summary—such as severity levels, rule names, and host names—to add filters with those values to the Alerts page.
 
 [role="screenshot"]
 image::images/alerts-viz-summary.png[Summary visualization for alerts]