diff --git a/docs/en/modules/permission-management.md b/docs/en/modules/permission-management.md
index 2e5f997423..103bd4ff7f 100644
--- a/docs/en/modules/permission-management.md
+++ b/docs/en/modules/permission-management.md
@@ -45,12 +45,23 @@ You can integrate this dialog into your own application to manage permissions fo
 
 #### MVC / Razor Pages
 
-Use the `abp.ModalManager` to open the resource permission management dialog:
+First, add the `resource-permission-management-modal.js` script to your page. This script registers the `ResourcePermissionManagement` modal class used by `abp.ModalManager`:
+
+````html
+@section scripts
+{
+    <abp-script src="/Pages/MyBook/Index.js"/>
+    <abp-script src="/Pages/AbpPermissionManagement/resource-permission-management-modal.js" />
+}
+````
+
+Then use the `abp.ModalManager` to open the resource permission management dialog:
 
 ````javascript
-var _resourcePermissionsModal = new abp.ModalManager(
-    abp.appPath + 'AbpPermissionManagement/ResourcePermissionManagementModal'
-);
+var _resourcePermissionsModal = new abp.ModalManager({
+    viewUrl: abp.appPath + 'AbpPermissionManagement/ResourcePermissionManagementModal',
+    modalClass: 'ResourcePermissionManagement'
+});
 
 // Open the modal for a specific resource
 _resourcePermissionsModal.open({