Fix steps and screencap for agent diagnostics

Author: kilfoyle

docs/en/ingest-management/fleet/images/collect-agent-diagnostics.png

@@ -181,14 +181,19 @@ To download the diagnostics bundle for local viewing:
 
 . In the **Host** column, click the agent's name.
 
-. Click the **Diagnostics** tab.
+. Select the **Diagnostics** tab and click the **Request diagnostics .zip** button.
++
+[role="screenshot"]
+image::images/collect-agent-diagnostics1.png[Collect agent diagnostics under agent details]
 
-. Click the **Request diagnostics .zip** button.
+. In the **Request Diagnostics** pop-up, select **Collect additional CPU metrics** if you'd like detailed CPU data.
 +
 [role="screenshot"]
-image::images/collect-agent-diagnostics.png[Collect agent diagnostics under agent details]
+image::images/collect-agent-diagnostics2.png[Collect agent diagnostics confirmation pop-up]
+
+. Click the **Request diagnostics** button.
 
-Any in-progress or previously collected bundles for the {agent} will be listed on this page.
+When available, the new diagnostic bundle will be listed on this page, as well as any in-progress or previously collected bundles for the {agent}.
 
 Note that the bundles are stored in {es} and are removed automatically after 7 days. You can also delete any previously created bundle by clicking the `trash can` icon.
 

docs/en/ingest-management/fleet/images/collect-agent-diagnostics1.png

@@ -430,14 +430,19 @@ To download the diagnostics bundle for local viewing:
 
 . In the **Host** column, click the agent's name.
 
-. Click the **Diagnostics** tab.
+. Select the **Diagnostics** tab and click the **Request diagnostics .zip** button.
++
+[role="screenshot"]
+image::images/collect-agent-diagnostics1.png[Collect agent diagnostics under agent details]
 
-. Click the **Request diagnostics .zip** button.
+. In the **Request Diagnostics** pop-up, select **Collect additional CPU metrics** if you'd like detailed CPU data.
 +
 [role="screenshot"]
-image::images/collect-agent-diagnostics.png[Collect agent diagnostics under agent details]
+image::images/collect-agent-diagnostics2.png[Collect agent diagnostics confirmation pop-up]
+
+. Click the **Request diagnostics** button.
 
-Any in-progress or previously collected bundles for the {agent} will be listed on this page.
+When available, the new diagnostic bundle will be listed on this page, as well as any in-progress or previously collected bundles for the {agent}.
 
 Note that the bundles are stored in {es} and are removed automatically after 7 days. You can also delete any previously created bundle by clicking the `trash can` icon.