diff --git a/content/rancher/v2.x/en/installation/k8s-install/helm-rancher/_index.md b/content/rancher/v2.x/en/installation/k8s-install/helm-rancher/_index.md
index dc7e7ac01e..2071415d66 100644
--- a/content/rancher/v2.x/en/installation/k8s-install/helm-rancher/_index.md
+++ b/content/rancher/v2.x/en/installation/k8s-install/helm-rancher/_index.md
@@ -145,10 +145,13 @@ Because `rancher` is the default option for `ingress.tls.source`, we are not spe
 - Set the `hostname` to the DNS name you pointed at your load balancer.
 - If you are installing an alpha version, Helm requires adding the `--devel` option to the command. 
 - To install a specific Rancher version, use the `--version` flag, example: `--version 2.3.6`
+- Provide certmanager version, as difference version has difference annotation.
+  * For example `--set certmanager.version="0.14.1"`
 
 ```
 helm install rancher rancher-<CHART_REPO>/rancher \
   --namespace cattle-system \
+  --set certmanager.version="0.14.1" \
   --set hostname=rancher.my.org
 ```