diff --git a/README.rst b/README.rst
index dc46551..7a2dc3f 100644
--- a/README.rst
+++ b/README.rst
@@ -81,7 +81,7 @@ Only you should do is runing a fastapi app and mount admin app from fastapi-admi
 
 
     @admin_app.post(
-        '/{resource}/bulk/test_bulk'
+        '/{resource}/bulk/test_bulk' # must be format with /{resource}/bulk/<action>
     )
     async def test_bulk(
             bulk_in: BulkIn,
@@ -132,8 +132,8 @@ Only you should do is runing a fastapi app and mount admin app from fastapi-admi
                                 'text': 'delete_all',
                             }
                             , {
-                                'value': 'test_bulk',
-                                'text': 'TestBulk'
+                                'value': 'test_bulk', # this is the action need in fastapi route.
+                                'text': 'TestBulk' # will show in front.
                             }
                         ]
                     ),
diff --git a/fastapi_admin/site.py b/fastapi_admin/site.py
index b92b0c9..a80084f 100644
--- a/fastapi_admin/site.py
+++ b/fastapi_admin/site.py
@@ -5,10 +5,12 @@ from pydantic import BaseModel, HttpUrl
 
 class Menu(BaseModel):
     name: str
+    # whether is it a title or a model resource.
     title: Optional[bool]
+    # must be format with /rest/<Model> if it's a model resource.
     url: Optional[str]
     icon: Optional[str]
-    # children meun
+    # children menu
     children: Optional[List['Menu']] = []
     # include fields
     include: Optional[Tuple[str]]