backport of commit 8647c4b (#17667)

Co-authored-by: Theron Voran <tvoran@users.noreply.github.com>

Author: hc-github-team-secure-vault-core

website/content/docs/platform/k8s/helm/examples/injector-tls-cert-manager.mdx

@@ -139,5 +139,5 @@ $ helm install vault hashicorp/vault \
   --set injector.replicas=2 \
   --set injector.leaderElector.enabled=false \
   --set injector.certs.secretName=injector-tls \
-  --set injector.webhookAnnotations="cert-manager.io/inject-ca-from: {{ .Release.Namespace }}/injector-certificate"
+  --set injector.webhook.annotations="cert-manager.io/inject-ca-from: {{ .Release.Namespace }}/injector-certificate"
 ```