diff --git a/website/docs/r/container_cluster.html.markdown b/website/docs/r/container_cluster.html.markdown
index 82e351c3..dd348cc6 100644
--- a/website/docs/r/container_cluster.html.markdown
+++ b/website/docs/r/container_cluster.html.markdown
@@ -340,14 +340,18 @@ addons_config {
```
The `istio_config` block supports:
+
* `disabled` - (Optional) The status of the Istio addon, which makes it easy to set up Istio for services in a
cluster. It is disabled by default. Set `disabled = false` to enable.
+
* `auth` - (Optional) The authentication type between services in Istio. Available options include `AUTH_MUTUAL_TLS`.
The `cluster_autoscaling` block supports:
+
* `enabled` - (Required) Whether cluster autoscaling (also called autoprovisioning) is
enabled. To set this to true, make sure your config meets the rest of the
requirements. Notably, you'll need `min_master_version` of at least `1.11.2`.
+
* `resource_limits` - (Optional) A list of limits on the autoprovisioning.
See [the docs](https://cloud.google.com/kubernetes-engine/docs/how-to/node-auto-provisioning)
for an explanation of what options are available. If enabling autoprovisioning, make