diff --git a/doc/owlps-listenerd.t2t b/doc/owlps-listenerd.t2t
index 7227ef7..cf38f4c 100644
--- a/doc/owlps-listenerd.t2t
+++ b/doc/owlps-listenerd.t2t
@@ -44,11 +44,11 @@ June 2013
 = Description =
 
 OwlPS Listener is the program that captures the positioning requests
-sent by the mobile terminals (with OwlPS Client). It extracts the signal
-strength from the captured requests, and forwards them to the
-aggregation server (OwlPS Aggregator). The message sent to the
-Aggregator is a structure of type ``owl_captured_request``, as defined
-in owlps.h.
+sent by the mobile terminals (with OwlPS Client, see owlps-client.t2t).
+It extracts the signal strength from the captured requests, and forwards
+them to the aggregation server (OwlPS Aggregator, see
+owlps-aggregatord.t2t). The message sent to the Aggregator is a
+structure of type ``owl_captured_request``, as defined in owlps.h.
 
 Technically speaking, OwlPS Listener uses the //pcap// library to
 capture IEEE 802.11 frames from a network interface, and the frames'