every beacon printed option for casw

src/ca/CAref.html

@@ -40,7 +40,6 @@ border="0" src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01!"
 height="31" width="88"></a></p>
 
 <p><small>Modified on $Date$</small></p>
-
 <hr>
 
 <h2>Table of Contents</h2>
@@ -830,7 +829,9 @@ 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>
+connectivity remains constant, then casw should print no messages at all. At
+higher interest levels the program prints a message for every beacon that is
+received.</p>
 
 <h3><a name="caEventRat">caEventRate</a></h3>
 <pre>caEventRate &lt;PV name&gt; [subscription count]</pre>