diff --git a/addons/website_mail/controllers/main.py b/addons/website_mail/controllers/main.py
index cdf386333c3..44ccb232d1f 100644
--- a/addons/website_mail/controllers/main.py
+++ b/addons/website_mail/controllers/main.py
@@ -40,7 +40,7 @@ def _message_post_helper(res_model='', res_id=None, message='', token='', token_
         optional keywords arguments:
         :param string token: access token if the object's model uses some kind of public access
                              using tokens (usually a uuid4) to bypass access rules
-        :param string token_field: name of the field that contains the token on the object (defaults to 'token')
+        :param string token_field: name of the field that contains the token on the object (deprecated, use _mail_post_token_field)
         :param string sha_in: Deprecated, use `token` and `token_field` instead
         :param str sha_time: Deprecated, use `token` and `token_field` instead
         :param bool nosubscribe: set False if you want the partner to be set as follower of the object when posting (default to True)