for 2nd tech review updates

Signed-off-by: alicejw <alicejw@amazon.com>

_monitoring-plugins/alerting/index.md

@@ -11,7 +11,7 @@ redirect_from:
 OpenSearch Dashboards
 {: .label .label-yellow :}
 
-OpenSearch Dashboards provides the Alerting plugin that allows you to monitor your data and create alert notifications that trigger when conditions occur in one or more indexes.
+You can use the Alerting plugin in OpenSearch Dashboards to monitor your data and create alert notifications that trigger when conditions occur in one or more indexes.
 
 You create a monitor with trigger conditions that generate various alert notifications through the message channel you select as a destination. Notifications can be sent to email, Slack, or Amazon Chime.
 

_monitoring-plugins/alerting/monitors.md

@@ -199,7 +199,7 @@ Per query monitors run your specified query and then check whether the query's r
     **Note**: Anomaly detection is available only if you are defining a per query monitor.
     {: .note}
 
-1. Choose a frequency to run your monitor. You can run it either by time intervals (minutes, hours, or days), or on a schedule. If you run it on a schedule such as daily, weekly, monthly, or [custom cron expression]({{site.url}}{{site.baseurl}}/monitoring-plugins/alerting/cron/), then you need to also provide the timezone.
+1. Choose a frequency to run your monitor. You can run it either by time intervals (minutes, hours, or days), or on a schedule. If you run it on a schedule such as daily, weekly, monthly, or [custom cron expression]({{site.url}}{{site.baseurl}}/monitoring-plugins/alerting/cron/), then you need to also provide the time zone.
 
 1. Add a trigger to your monitor.