doc: fix typo in docstring

Author: askalt

tarantool/mesh_connection.py

@@ -298,7 +298,7 @@ def __init__(self, host=None, port=None,
             :paramref:`~tarantool.MeshConnection.params.addrs` list.
 
         :param port: Refer to
-            :paramref:`~tarantool.Connection.params.host`.
+            :paramref:`~tarantool.Connection.params.port`.
             Value would be used to add one more server in
             :paramref:`~tarantool.MeshConnection.params.addrs` list.