Update bittensor/core/async_subtensor.py

Author: basfroman

bittensor/core/async_subtensor.py

@@ -172,7 +172,7 @@ def __init__(
                 cases where you are requesting a block that is too old for your current (presumably lite) node.
                 Defaults to ``None``.
             websocket_shutdown_timer: Amount of time, in seconds, to wait after the last response from the chain to
-                close the connection. Defaults to ``5.0``. Passing `None` will disable to automatic shutdown process
+                close the connection. Passing `None` will disable to automatic shutdown process
                 entirely.
 
         Returns: