Clarification that the deploy scripts can configure Grafana as required.

In the prerequisite section, it wasn't clear that our deploy scripts will configure the deployment name and ingress.

README.md

@@ -78,8 +78,8 @@ The plug-in is automatically installed with the SAS Event Stream Processing app
 ### Prerequisites
 
 * SAS Event Stream Processing running in the SAS Viya platform.
-* A Grafana deployment with the name `grafana`. The Grafana deployment can be in the same namespace as SAS Event Stream Processing or in a separate namespace.
-* Ingress for the Grafana deployment, with the root URL `/grafana`.
+* A Grafana deployment with the name `grafana`. The Grafana deployment can be in the same namespace as SAS Event Stream Processing or in a separate namespace. The deployment scripts provided can install and configure Grafana correctly for you (see below).
+* Ingress for the Grafana deployment, with the root URL `/grafana`. The deployment scripts provided can install and configure Grafana correctly for you (see below).
 * A Linux environment with kubectl installed, to run the plug-in installation script. 
 * Internet access, to enable the plug-in installation script to download the plug-in from [https://github.com/sassoftware/grafana-esp-plugin/releases](https://github.com/sassoftware/grafana-esp-plugin/releases).