diff --git a/libp2p/protocol_muxer/multiselect.py b/libp2p/protocol_muxer/multiselect.py
index 6a68d2e4..d478d441 100644
--- a/libp2p/protocol_muxer/multiselect.py
+++ b/libp2p/protocol_muxer/multiselect.py
@@ -58,6 +58,8 @@ class Multiselect(IMultiselectMuxer):
         Negotiate performs protocol selection.
 
         :param stream: stream to negotiate on
+        :param negotiate_timeout: timeout for negotiation,
+        defaults to DEFAULT_NEGOTIATE_TIMEOUT
         :return: selected protocol name, handler function
         :raise MultiselectError: raised when negotiation failed
         """
diff --git a/libp2p/protocol_muxer/multiselect_client.py b/libp2p/protocol_muxer/multiselect_client.py
index aa6db5ba..3a78ff8e 100644
--- a/libp2p/protocol_muxer/multiselect_client.py
+++ b/libp2p/protocol_muxer/multiselect_client.py
@@ -63,6 +63,8 @@ class MultiselectClient(IMultiselectClient):
 
         :param protocol: protocol to select
         :param communicator: communicator to use to communicate with counterparty
+        :param negotiate_timeout: timeout for negotiation,
+        defaults to DEFAULT_NEGOTIATE_TIMEOUT
         :return: selected protocol
         :raise MultiselectClientError: raised when protocol negotiation failed
         """