diff --git a/configs/production_http.ini b/configs/production_http.ini
--- a/configs/production_http.ini
+++ b/configs/production_http.ini
@@ -20,8 +20,7 @@ use = egg:gunicorn#main
 workers = 2
 ## process name
 proc_name = rhodecode_vcsserver
-## type of worker class, one of sync, gevent
-## recommended for bigger setup is using of of other than sync one
+## type of worker class, currently `sync` is the only option allowed.
 worker_class = sync
 ## The maximum number of simultaneous clients. Valid only for Gevent
 #worker_connections = 10