Update docs/PROMETHEUS.md
### Prometheus Integration
-Kuberhealthy serves Prometheus metrics at the `/metrics` endpoint. If you are using the [helm chart](https://github.com/kuberhealthy/kuberhealthy/tree/prom-endpoint-docs/deploy/helm) to deploy Kuberhealthy, then you can simply enable Prometheus in he chart's options to have scrape configs and annotations generated for you.
+Kuberhealthy serves Prometheus metrics at the `/metrics` endpoint. If you are using the [helm chart](https://github.com/kuberhealthy/kuberhealthy/tree/prom-endpoint-docs/deploy/helm) to deploy Kuberhealthy,
+ enable Prometheus in the chart options to have scrape configs and annotations generated for you.
```bash
helm install kuberhealthy kuberhealthy/kuberhealthy --set prometheus.enabled=true --set prometheus.prometheusRule.enabled=true
