Update README.md

Author: bonclay7

examples/existing-cluster-with-base-and-infra/README.md

@@ -92,21 +92,22 @@ terraform apply
 
 1. Prometheus datasource on Grafana
 
-Open your Grafana workspace and under Configuration -> Data sources, you should see `aws-observability-accelerator`. Open and click `Save & test`. You should see a notification confirming that the AMP workspace is ready to be used on Grafana.
+Open your Grafana workspace and under Configuration -> Data sources, you should see `aws-observability-accelerator`. Open and click `Save & test`. You should see a notification confirming that the Amazon Managed Service for Prometheus workspace is ready to be used on Grafana.
 
 2. Grafana dashboards
 
 Go to the Dashboards panel of your Grafana workspace. You should see a list of dashboards under the `Observability Accelerator Dashboards`
 
-<img width="1678" alt="image" src="https://user-images.githubusercontent.com/10175027/188886471-f13d3fb4-51d2-4882-80c3-b44760a48bea.png">
+<img width="830" alt="image" src="https://user-images.githubusercontent.com/10175027/188886724-f566fd55-018e-4352-abc0-4c9470f87694.png">
+
 
 Open a specific dashboard and you should be able to view its visualization
 
 <img width="1721" alt="Screenshot 2022-08-30 at 20 01 32" src="https://user-images.githubusercontent.com/10175027/187515925-67864dd1-2b35-4be0-a15e-1e36805e8b29.png">
 
-2. Amazon Managed Service for Prometheus (AMP) rules and alerts
+2. Amazon Managed Service for Prometheus rules and alerts
 
-Open the AMP console and view the details of your workspace. Under the `Rules management` tab, you should find new rules deployed.
+Open the Amazon Managed Service for Prometheus console and view the details of your workspace. Under the `Rules management` tab, you should find new rules deployed.
 
 <img width="1311" alt="Screenshot 2022-08-30 at 20 22 27" src="https://user-images.githubusercontent.com/10175027/187514450-0f70b5ce-b2ee-4712-850c-c2b32db1d8d6.png">