diff --git a/docs/content/reference/routing-configuration/kubernetes/ingress-nginx.md b/docs/content/reference/routing-configuration/kubernetes/ingress-nginx.md
index 6a91673db..85cc9e093 100644
--- a/docs/content/reference/routing-configuration/kubernetes/ingress-nginx.md
+++ b/docs/content/reference/routing-configuration/kubernetes/ingress-nginx.md
@@ -340,6 +340,7 @@ The following annotations are organized by category for easier navigation.
 |-----------------------------------------------------------------------------|------------------------------------------------------|
 | <a id="opt-nginx-ingress-kubernetes-ioapp-root" href="#opt-nginx-ingress-kubernetes-ioapp-root" title="#opt-nginx-ingress-kubernetes-ioapp-root">`nginx.ingress.kubernetes.io/app-root`</a> |                                                      |
 | <a id="opt-nginx-ingress-kubernetes-ioaffinity-canary-behavior" href="#opt-nginx-ingress-kubernetes-ioaffinity-canary-behavior" title="#opt-nginx-ingress-kubernetes-ioaffinity-canary-behavior">`nginx.ingress.kubernetes.io/affinity-canary-behavior`</a> |                                                      |
+| <a id="opt-nginx-ingress-kubernetes-ioauth-signin" href="#opt-nginx-ingress-kubernetes-ioauth-signin" title="#opt-nginx-ingress-kubernetes-ioauth-signin">`nginx.ingress.kubernetes.io/auth-signin`</a> |                                                      |
 | <a id="opt-nginx-ingress-kubernetes-ioauth-tls-secret" href="#opt-nginx-ingress-kubernetes-ioauth-tls-secret" title="#opt-nginx-ingress-kubernetes-ioauth-tls-secret">`nginx.ingress.kubernetes.io/auth-tls-secret`</a> |                                                      |
 | <a id="opt-nginx-ingress-kubernetes-ioauth-tls-verify-depth" href="#opt-nginx-ingress-kubernetes-ioauth-tls-verify-depth" title="#opt-nginx-ingress-kubernetes-ioauth-tls-verify-depth">`nginx.ingress.kubernetes.io/auth-tls-verify-depth`</a> |                                                      |
 | <a id="opt-nginx-ingress-kubernetes-ioauth-tls-verify-client" href="#opt-nginx-ingress-kubernetes-ioauth-tls-verify-client" title="#opt-nginx-ingress-kubernetes-ioauth-tls-verify-client">`nginx.ingress.kubernetes.io/auth-tls-verify-client`</a> |                                                      |