Describe local servers

docs2/api/session/aiohttp.rst

@@ -6,6 +6,8 @@ AiohttpSession represents a wrapper-class around `ClientSession` from `aiohttp <
 
 Currently `AiohttpSession` is a default session used in `aiogram.Bot`
 
+.. autoclass:: aiogram.client.session.aiohttp.AiohttpSession
+
 Usage example
 =============
 

docs2/api/session/custom_server.rst

@@ -0,0 +1,13 @@
+Use Custom API server
+=====================
+
+.. autoclass:: aiogram.client.telegram.TelegramAPIServer
+    :members:
+
+For example, if you want to use self-hosted API server:
+
+.. code-block:: python3
+
+    session = AiohttpSession()
+    session.api = TelegramAPIServer.from_base('http://localhost:8082')
+    bot = Bot(..., session=session)

docs2/api/session/index.rst

@@ -2,6 +2,9 @@
 Client session
 ##############
 
+Client sessions is used for interacting with API server.
+
 .. toctree::
+    custom_server
     base
     aiohttp