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diff --git a/nuttx/examples/README.txt b/nuttx/examples/README.txt
index f6528e5f4..f2a597800 100644
--- a/nuttx/examples/README.txt
+++ b/nuttx/examples/README.txt
@@ -118,6 +118,11 @@ examples/poll
CONFIG_EXAMPLE_POLL_DRIPADDR - Default router IP addess
CONFIG_EXAMPLE_POLL_NETMASK - Network mask
+ In order to for select to work with incoming connections, you
+ must also select:
+
+ CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until accept() is called.
+
In additional to the target device-side example, there is also
a host-side application in this directory. It can be compiled under
Linux or Cygwin as follows: