fix typo

Author: rosemarymarano

site/install.md

@@ -4,7 +4,7 @@ An operator is an application-specific controller that extends Kubernetes to cre
 
 ## Overview
 
-Helm is used to create and deploy and necessary operator resources and to run the operator in a Kubernetes cluster. Helm is a framework that helps you manage Kubernetes applications, and helm charts help you define and install Helm applications into a Kubernetes cluster. The operator's Helm chart is located in the `kubernetes/charts/weblogic-operator` directory.
+Helm is used to create and deploy necessary operator resources and to run the operator in a Kubernetes cluster. Helm is a framework that helps you manage Kubernetes applications, and helm charts help you define and install Helm applications into a Kubernetes cluster. The operator's Helm chart is located in the `kubernetes/charts/weblogic-operator` directory.
 
 > If you have an older version of the operator installed on your cluster, then you must remove it before installing this version. This includes the 2.0-rc1 version; it must be completely removed. You should remove the deployment (for example, `kubectl delete deploy weblogic-operator -n your-namespace`) and the custom
   resource definition (for example, `kubectl delete crd domain`).  If you do not remove