Add documentation for rule-based anomaly detection and imputation

_observing-your-data/ad/dashboards-anomaly-detection.md

@@ -18,12 +18,12 @@ You can connect data visualizations to OpenSearch datasets and then create, run,
 Before getting started, you must have:
 
 - Installed OpenSearch and OpenSearch Dashboards version 2.9 or later. See [Installing OpenSearch]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/index/).
-- Installed the Anomaly Detection plugin version 2.9 or later. See [Installing OpenSearch plugins]({{site.url}}{{site.baseurl}}/install-and-configure/plugins).
+- Installed the Anomaly Detection plugin version 2.9 or later. See [Installing OpenSearch plugins]/({{site.url}}{{site.baseurl}}/install-and-configure/plugins/).
 - Installed the Anomaly Detection Dashboards plugin version 2.9 or later. See [Managing OpenSearch Dashboards plugins]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/plugins/) to get started.
 
 ## General requirements for anomaly detection visualizations
 
-Anomaly detection visualizations are displayed as time-series charts that give you a snapshot of when anomalies have occurred from different anomaly detectors you have configured for the visualization. You can display up to 10 metrics on your chart, and each series can be shown as a line on the chart. Note that only real-time anomalies will be visible on the chart. For more information on real-time and historical anomaly detection, see [Anomaly detection, Step 3: Set up detector jobs]({{site.url}}{{site.baseurl}}/observing-your-data/ad/index/#step-3-set-up-detector-jobs).
+Anomaly detection visualizations are displayed as time-series charts that give you a snapshot of when anomalies have occurred from different anomaly detectors you have configured for the visualization. You can display up to 10 metrics on your chart, and each series can be shown as a line on the chart. Note that only real-time anomalies will be visible on the chart. For more information about real-time and historical anomaly detection, see [Anomaly detection, Step 3: Set up detector jobs]({{site.url}}{{site.baseurl}}/observing-your-data/ad/index/#step-3-setting-up-detector-jobs).
 
 Keep in mind the following requirements when setting up or creating anomaly detection visualizations. The visualization: