diff --git a/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml b/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
index 5bb539f..51887df 100644
--- a/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
+++ b/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
@@ -20,10 +20,17 @@ spec:
             config:
               # Les credentials OVH sont dans le secret ovh-credentials
               # Voir helm/certificates/ops/templates/secret-ovh-credentials.yaml
+              # Méthode d'authentification OVH (application ou oauth2)
+              ovhAuthenticationMethod: application
+              # Endpoint OVH API (ovh-eu, ovh-ca, kimsufi-eu, etc.)
+              ovhEndpointName: ovh-eu
+              # Application Key OVH
               applicationKey: "1d1a85ccc3a5bcc9"
+              # Application Secret (référence au secret)
               applicationSecretRef:
                 name: ovh-credentials
                 key: application-secret
+              # Consumer Key (référence au secret)
               consumerKeyRef:
                 name: ovh-credentials
                 key: consumer-key