diff --git a/api/v1alpha1/account_types.go b/api/v1alpha1/account_types.go
index 52c9065..87986d9 100644
--- a/api/v1alpha1/account_types.go
+++ b/api/v1alpha1/account_types.go
@@ -30,7 +30,7 @@ const (
 // AccountSpec defines the desired state of Account
 type AccountSpec struct {
 	// Type specifies the intended type for this Account object.
-	// +kubebuilder:validation:Enum=Folder;Account
+	// +kubebuilder:validation:Enum=folder;account
 	Type AccountType `json:"type"`
 
 	// Namespace is the account should take ownership of
diff --git a/chart/crds/core.openmfp.io_accounts.yaml b/chart/crds/core.openmfp.io_accounts.yaml
index 607592d..2c168f3 100644
--- a/chart/crds/core.openmfp.io_accounts.yaml
+++ b/chart/crds/core.openmfp.io_accounts.yaml
@@ -68,8 +68,8 @@ spec:
               type:
                 description: Type specifies the intended type for this Account object.
                 enum:
-                - Folder
-                - Account
+                - folder
+                - account
                 type: string
             required:
             - creator
diff --git a/config/samples/core_v1alpha1_account.yaml b/config/samples/core_v1alpha1_account.yaml
index de353b3..abfbbf0 100644
--- a/config/samples/core_v1alpha1_account.yaml
+++ b/config/samples/core_v1alpha1_account.yaml
@@ -4,6 +4,6 @@ metadata:
   name: new-account-debug1
   namespace: default
 spec:
-  accountRole: Folder
+  accountRole: folder
   displayName: New Demo Account
   creator: bastian.echterhoelter@sap.com
\ No newline at end of file