diff --git a/api/v1alpha1/backstage_types.go b/api/v1alpha1/backstage_types.go
index 0facd95a..61332c55 100644
--- a/api/v1alpha1/backstage_types.go
+++ b/api/v1alpha1/backstage_types.go
@@ -260,6 +260,8 @@ type TLS struct {
 	// chain. Do not include a CA certificate. The secret referenced should
 	// be present in the same namespace as that of the Route.
 	// Forbidden when `certificate` is set.
+	// Note that securing Routes with external certificates in TLS secrets is a Technology Preview feature in OpenShift,
+	// and requires enabling the `RouteExternalCertificate` OpenShift Feature Gate and might not be functionally complete.
 	// +optional
 	ExternalCertificateSecretName string `json:"externalCertificateSecretName,omitempty"`
 
diff --git a/api/v1alpha2/backstage_types.go b/api/v1alpha2/backstage_types.go
index a1288242..d94976a5 100644
--- a/api/v1alpha2/backstage_types.go
+++ b/api/v1alpha2/backstage_types.go
@@ -275,6 +275,8 @@ type TLS struct {
 	// chain. Do not include a CA certificate. The secret referenced should
 	// be present in the same namespace as that of the Route.
 	// Forbidden when `certificate` is set.
+	// Note that securing Routes with external certificates in TLS secrets is a Technology Preview feature in OpenShift,
+	// and requires enabling the `RouteExternalCertificate` OpenShift Feature Gate and might not be functionally complete.
 	// +optional
 	ExternalCertificateSecretName string `json:"externalCertificateSecretName,omitempty"`
 
diff --git a/bundle/manifests/backstage-operator.clusterserviceversion.yaml b/bundle/manifests/backstage-operator.clusterserviceversion.yaml
index 9578ec6d..59f474c3 100644
--- a/bundle/manifests/backstage-operator.clusterserviceversion.yaml
+++ b/bundle/manifests/backstage-operator.clusterserviceversion.yaml
@@ -21,7 +21,7 @@ metadata:
         }
       ]
     capabilities: Seamless Upgrades
-    createdAt: "2024-07-16T20:47:15Z"
+    createdAt: "2024-07-25T11:50:13Z"
     operatorframework.io/suggested-namespace: backstage-system
     operators.operatorframework.io/builder: operator-sdk-v1.33.0
     operators.operatorframework.io/project_layout: go.kubebuilder.io/v3
diff --git a/bundle/manifests/rhdh.redhat.com_backstages.yaml b/bundle/manifests/rhdh.redhat.com_backstages.yaml
index 8acba889..2ae9d8ee 100644
--- a/bundle/manifests/rhdh.redhat.com_backstages.yaml
+++ b/bundle/manifests/rhdh.redhat.com_backstages.yaml
@@ -260,7 +260,11 @@ spec:
                               serving certificate, not a certificate chain. Do not
                               include a CA certificate. The secret referenced should
                               be present in the same namespace as that of the Route.
-                              Forbidden when `certificate` is set.
+                              Forbidden when `certificate` is set. Note that securing
+                              Routes with external certificates in TLS secrets is
+                              a Technology Preview feature in OpenShift, and requires
+                              enabling the `RouteExternalCertificate` OpenShift Feature
+                              Gate and might not be functionally complete.
                             type: string
                           key:
                             description: key provides key file contents
@@ -622,7 +626,11 @@ spec:
                               serving certificate, not a certificate chain. Do not
                               include a CA certificate. The secret referenced should
                               be present in the same namespace as that of the Route.
-                              Forbidden when `certificate` is set.
+                              Forbidden when `certificate` is set. Note that securing
+                              Routes with external certificates in TLS secrets is
+                              a Technology Preview feature in OpenShift, and requires
+                              enabling the `RouteExternalCertificate` OpenShift Feature
+                              Gate and might not be functionally complete.
                             type: string
                           key:
                             description: key provides key file contents
diff --git a/config/crd/bases/rhdh.redhat.com_backstages.yaml b/config/crd/bases/rhdh.redhat.com_backstages.yaml
index e42a54e1..5930c075 100644
--- a/config/crd/bases/rhdh.redhat.com_backstages.yaml
+++ b/config/crd/bases/rhdh.redhat.com_backstages.yaml
@@ -261,7 +261,11 @@ spec:
                               serving certificate, not a certificate chain. Do not
                               include a CA certificate. The secret referenced should
                               be present in the same namespace as that of the Route.
-                              Forbidden when `certificate` is set.
+                              Forbidden when `certificate` is set. Note that securing
+                              Routes with external certificates in TLS secrets is
+                              a Technology Preview feature in OpenShift, and requires
+                              enabling the `RouteExternalCertificate` OpenShift Feature
+                              Gate and might not be functionally complete.
                             type: string
                           key:
                             description: key provides key file contents
@@ -623,7 +627,11 @@ spec:
                               serving certificate, not a certificate chain. Do not
                               include a CA certificate. The secret referenced should
                               be present in the same namespace as that of the Route.
-                              Forbidden when `certificate` is set.
+                              Forbidden when `certificate` is set. Note that securing
+                              Routes with external certificates in TLS secrets is
+                              a Technology Preview feature in OpenShift, and requires
+                              enabling the `RouteExternalCertificate` OpenShift Feature
+                              Gate and might not be functionally complete.
                             type: string
                           key:
                             description: key provides key file contents