diff --git a/src/ca/CAref.html b/src/ca/CAref.html
index f4330c608..4fff4058d 100644
--- a/src/ca/CAref.html
+++ b/src/ca/CAref.html
@@ -782,10 +782,14 @@ a server's CPU exits a CPU load saturated state.</p>
 <p>CA clients with unresolved channels reset their search request scheduling
 timers whenever they see a beacon anomaly.</p>
 
-<p>This program can be useful to verify that configuration problems have not
-resulted in false beacon anomalies that might cause CA to use unnecessary
-additional network bandwidth and server CPU load when searching for
-unresolved channels.</p>
+<p>This program can be used to detect situations where there are too many
+beacon anomalies. IP routing configuration problems may result in false
+beacon anomalies that might cause CA clients to use unnecessary additional
+network bandwidth and server CPU load when searching for unresolved
+channels.</p>
+
+<p>If there are no new CA servers appearing on the network, and network
+connectivity remains constant, then casw should print no messages at all.</p>
 
 <h3><a name="caEventRat">caEventRate</a></h3>
 <pre>caEventRate &lt;PV name&gt; [subscription count]</pre>