diff --git a/doc/chrony.conf.adoc b/doc/chrony.conf.adoc
index 4f1ee5f..7888d44 100644
--- a/doc/chrony.conf.adoc
+++ b/doc/chrony.conf.adoc
@@ -1849,7 +1849,7 @@ This directive specifies how many helper processes will *chronyd* operating
 as an NTS server start for handling client NTS-KE requests in order to improve
 performance with multi-core CPUs and multithreading. If set to 0, no helper
 process will be started and all NTS-KE requests will be handled by the main
-*chronyd* process. The default value is 1.
+*chronyd* process. The default value is 1, and the maximum value is 1000.
 
 [[maxntsconnections]]*maxntsconnections* _connections_::
 This directive specifies the maximum number of concurrent NTS-KE connections