diff --git a/docs/en/modules/permission-management.md b/docs/en/modules/permission-management.md
index 567c1f0191..518ea54e1c 100644
--- a/docs/en/modules/permission-management.md
+++ b/docs/en/modules/permission-management.md
@@ -49,7 +49,7 @@ Use the `abp.ModalManager` to open the resource permission management dialog:
 
 ````javascript
 var _resourcePermissionsModal = new abp.ModalManager({
-    viewUrl: abp.appPath + "AbpPermissionManagement/ResourcePermissionManagementModal",
+    viewUrl: abp.appPath + 'AbpPermissionManagement/ResourcePermissionManagementModal',
     modalClass: 'ResourcePermissionManagement'
 });