updated docstring

healthchain/clients/ehrclient.py

@@ -113,7 +113,7 @@ def __init__(
             func (Callable[..., Any]): A function to generate data for requests.
             workflow ([Workflow]): The workflow context to apply to the data generator.
             strategy (BaseStrategy): The strategy object to construct requests based on the generated data.
-            timeout(float and default=10.0) : The maximum time in seconds to wait for a response from the server.
+            timeout(Optional[float], default=10.0) : The maximum time in seconds to wait for a response from the server.
             This parameter determines how long the client will wait before considering a request timed out.
             A higher timeout value allows for longer-running operations, while a lower value prioritizes faster responses.
         """