update to description

Author: qahmed1998

_data/site_menu.yml

@@ -174,7 +174,7 @@ using:
       children:
         - title: Monitoring, Alerts, and Reporting
           path: "/docs/reference/latest/monitoring_alerts_and_reporting/index.html"
-          desc: "Information on the Cloud Intelligence area of ManageIQ: reporting, RSS, usage, timelines, and chargeback"
+          desc: "Information on the Cloud Intelligence area of ManageIQ: dashboards, widgets, reporting, chargeback, optimization, and alerts"
         - title: Policies and Profiles Guide
           path: "/docs/reference/latest/policies_and_profiles_guide/index.html"
           desc: Policy-based enforcement, compliance, events, and policy profiles for ManageIQ