From a6b11bea0e48c0edb016edb209fc3623230ca22b Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Thu, 8 Aug 2019 14:54:20 +0200
Subject: [PATCH] document recommended value for PollPeriod

---
 docs/protocol.html | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/protocol.html b/docs/protocol.html
index b5e24e0..2d55710 100644
--- a/docs/protocol.html
+++ b/docs/protocol.html
@@ -390,6 +390,9 @@ what they influence.
   the moment.
   How many milliseconds to wait after last poll or last received
   input before polling again?
+  A good value is about half the time of the expected input period.
+  Longer values cause latency and shorter values may increase CPU
+  consumption.
   If not set the same value as for <code>ReplyTimeout</code> is
   used.
  </dd>