diff --git a/docs/resources/virtual_environment_cluster_options.md b/docs/resources/virtual_environment_cluster_options.md
index c160504f..97e338ac 100644
--- a/docs/resources/virtual_environment_cluster_options.md
+++ b/docs/resources/virtual_environment_cluster_options.md
@@ -60,7 +60,7 @@ resource "proxmox_virtual_environment_cluster_options" "options" {
 - `mac_prefix` (String) Prefix for autogenerated MAC addresses.
 - `max_workers` (Number) Defines how many workers (per node) are maximal started on actions like 'stopall VMs' or task from the ha-manager.
 - `migration_cidr` (String) Cluster wide migration network CIDR.
-- `migration_type` (String) Cluster wide migration type. Must be `secure` | `unsecure` (default is `secure`).
+- `migration_type` (String) Cluster wide migration type. Must be `secure` | `insecure` (default is `secure`).
 - `next_id` (Attributes) The ranges for the next free VM ID auto-selection pool. (see [below for nested schema](#nestedatt--next_id))
 - `notify` (Attributes) Cluster-wide notification settings. (see [below for nested schema](#nestedatt--notify))
 
diff --git a/fwprovider/resource_options.go b/fwprovider/resource_options.go
index 877bb1cd..8ec546fd 100644
--- a/fwprovider/resource_options.go
+++ b/fwprovider/resource_options.go
@@ -537,12 +537,12 @@ func (r *clusterOptionsResource) Schema(
 			},
 			"migration_type": schema.StringAttribute{
 				Description: "Cluster wide migration type.",
-				MarkdownDescription: "Cluster wide migration type. Must be `secure` | `unsecure` " +
+				MarkdownDescription: "Cluster wide migration type. Must be `secure` | `insecure` " +
 					"(default is `secure`).",
 				Optional: true,
 				Validators: []validator.String{stringvalidator.OneOf([]string{
 					"secure",
-					"unsecure",
+					"insecure",
 				}...)},
 			},
 			"migration_cidr": schema.StringAttribute{