install_guide: fix disclaimer
@@ -38,7 +38,7 @@ kubectl delete clusterrolebinding etcd-operator
```
## Installation via Helm
-**Disclaimer:** The following Helm chart is an external project not maintained by the etcd-operator maintainers. It may not be up to date and so is not the recommended way to install the etcd-operator.
+**Disclaimer:** The following Helm chart is an external project not maintained by the etcd-operator maintainers; so it may not be up to date.
etcd-operator is available as a [Helm
chart](https://github.com/kubernetes/charts/tree/master/stable/etcd-operator).
