Fix filters.create documentation (pyrogram#623)

Wrong documentation for filters.create, callable funcitions requires 3 positional arguments (filter, client, update) and not two.

Author: LucaTheHacker

pyrogram/filters.py

@@ -127,12 +127,12 @@ def create(func: Callable, name: str = None, **kwargs) -> Filter:
 
  Parameters:
  func (``callable``):
- A function that accepts two positional arguments *(filter, update)* and returns a boolean: True if the
- update should be handled, False otherwise. The *filter* argument refers to the filter itself and can be used
- to access keyword arguments (read below). The *update* argument type will vary depending on which
- `Handler <handlers>`_ is coming from. For example, in a :obj:`~pyrogram.handlers.MessageHandler` the
- *update* argument will be a :obj:`~pyrogram.types.Message`; in a
- :obj:`~pyrogram.handlers.CallbackQueryHandler` the *update* will be a :obj:`~pyrogram.types.CallbackQuery`.
+ A function that accepts three positional arguments *(filter, client, update)* and returns a boolean: True if the
+ update should be handled, False otherwise. 
+ The *filter* argument refers to the filter itself and can be used to access keyword arguments (read below). 
+ The *client* argument refers to the :obj:`~pyrogram.Client` that received the update.
+ The *update* argument type will vary depending on which `Handler <handlers>`_ is coming from. 
+ For example, in a :obj:`~pyrogram.handlers.MessageHandler` the *update* argument will be a :obj:`~pyrogram.types.Message`; in a :obj:`~pyrogram.handlers.CallbackQueryHandler` the *update* will be a :obj:`~pyrogram.types.CallbackQuery`.
  Your function body can then access the incoming update attributes and decide whether to allow it or not.
 
  name (``str``, *optional*):