doc: add time unit for constructor

Signed-off-by: proost <jwalag87@gmail.com>

Author: proost

pymilvus/milvus_client/milvus_client.py

@@ -62,6 +62,7 @@ def __init__(
                 "https://username:password@in01-12a.aws-us-west-2.vectordb.zillizcloud.com:19538
             timeout (float, optional): What timeout to use for function calls. Defaults
                 to None.
+                Unit: second
         """
         self._using = self._create_connection(
             uri, user, password, db_name, token, timeout=timeout, **kwargs

pymilvus/orm/connections.py

@@ -356,6 +356,9 @@ def connect(
                 Optional. If use tls one-way authentication, need to write the server.pem path.
             * *server_name* (``str``) --
                 Optional. If use tls, need to write the common name.
+            * *timeout* (``int/float``) --
+                Optional. The timeout for the connection. Default is 10 seconds.
+                Unit: second
 
         :raises NotImplementedError: If handler in connection parameters is not GRPC.
         :raises ParamError: If pool in connection parameters is not supported.