Fix small typo

Author: loewenstein-sap

envoy-istio-ingress.html.md.erb

@@ -40,7 +40,7 @@ Follow the steps below to redeploy Cloud Foundry with the Istio routing tier.
 
 ## <a id="deploy"></a> Configure Load Balancing for Istio Ingress
 
-Once you hae deployed a Cloud Foundry with the Istio routing tier, you must set up a new load balancer to communicate with the Istio routers. To configure load balancing, follow the procedure below that corresponds to your use case.
+Once you have deployed a Cloud Foundry with the Istio routing tier, you must set up a new load balancer to communicate with the Istio routers. To configure load balancing, follow the procedure below that corresponds to your use case.
 
 ### <a id="deploy"></a> Configure with bbl