diff --git a/internal/apis/config/controller/types.go b/internal/apis/config/controller/types.go
index 09abb022e..a9f7f0e18 100644
--- a/internal/apis/config/controller/types.go
+++ b/internal/apis/config/controller/types.go
@@ -279,7 +279,7 @@ type DynamicServingConfig struct {
 	// used as a CA to sign dynamic serving certificates.
 	SecretNamespace string
 
-	// Namespace of the Kubernetes Secret resource containing the TLS certificate
+	// Secret resource name containing the TLS certificate
 	// used as a CA to sign dynamic serving certificates.
 	SecretName string
 
diff --git a/internal/apis/config/webhook/types.go b/internal/apis/config/webhook/types.go
index 74e9db91b..3eb05eff2 100644
--- a/internal/apis/config/webhook/types.go
+++ b/internal/apis/config/webhook/types.go
@@ -111,7 +111,7 @@ type DynamicServingConfig struct {
 	// used as a CA to sign dynamic serving certificates.
 	SecretNamespace string
 
-	// Namespace of the Kubernetes Secret resource containing the TLS certificate
+	// Kubernetes Secret resource containing the TLS certificate
 	// used as a CA to sign dynamic serving certificates.
 	SecretName string
 
diff --git a/pkg/apis/config/controller/v1alpha1/types.go b/pkg/apis/config/controller/v1alpha1/types.go
index 66a08473e..6884af223 100644
--- a/pkg/apis/config/controller/v1alpha1/types.go
+++ b/pkg/apis/config/controller/v1alpha1/types.go
@@ -285,7 +285,7 @@ type DynamicServingConfig struct {
 	// used as a CA to sign dynamic serving certificates.
 	SecretNamespace string `json:"secretNamespace,omitempty"`
 
-	// Namespace of the Kubernetes Secret resource containing the TLS certificate
+	// Secret resource name containing the TLS certificate
 	// used as a CA to sign dynamic serving certificates.
 	SecretName string `json:"secretName,omitempty"`
 
diff --git a/pkg/apis/config/webhook/v1alpha1/types.go b/pkg/apis/config/webhook/v1alpha1/types.go
index aab3674b7..313fd1490 100644
--- a/pkg/apis/config/webhook/v1alpha1/types.go
+++ b/pkg/apis/config/webhook/v1alpha1/types.go
@@ -99,7 +99,7 @@ type DynamicServingConfig struct {
 	// used as a CA to sign dynamic serving certificates.
 	SecretNamespace string `json:"secretNamespace,omitempty"`
 
-	// Namespace of the Kubernetes Secret resource containing the TLS certificate
+	// Secret resource name containing the TLS certificate
 	// used as a CA to sign dynamic serving certificates.
 	SecretName string `json:"secretName,omitempty"`