diff --git a/charts/actions-runner-controller/templates/webhook_configs.yaml b/charts/actions-runner-controller/templates/webhook_configs.yaml
index ec8194d7..2b984b3c 100644
--- a/charts/actions-runner-controller/templates/webhook_configs.yaml
+++ b/charts/actions-runner-controller/templates/webhook_configs.yaml
@@ -237,7 +237,7 @@ webhooks:
     resources:
     - runnerreplicasets
   sideEffects: None
-{{ if not (or .Values.admissionWebHooks.caBundle .Values.certManagerEnabled) }}
+{{ if not (or (hasKey .Values.admissionWebHooks "caBundle") .Values.certManagerEnabled) }}
 ---
 apiVersion: v1
 kind: Secret
diff --git a/docs/detailed-docs.md b/docs/detailed-docs.md
index d91753b9..2ae0d8db 100644
--- a/docs/detailed-docs.md
+++ b/docs/detailed-docs.md
@@ -1683,7 +1683,6 @@ $ helm --upgrade install actions-runner-controller/actions-runner-controller \
 Set the Helm chart values as follows:
 
 ```shell
-$ CA_BUNDLE=$(cat path/to/ca.pem | base64)
 $ helm --upgrade install actions-runner-controller/actions-runner-controller \
   certManagerEnabled=false
 ```