Index: /trunk/BNC/bnchelp.html
===================================================================
--- /trunk/BNC/bnchelp.html	(revision 2450)
+++ /trunk/BNC/bnchelp.html	(revision 2451)
@@ -1356,5 +1356,5 @@
 
 <p>
-The following figure shows a BNC example setup for pulling a stream via serial port.
+The following figure shows a BNC example setup for pulling a stream via serial port on a Linux operating system.
 </p>
 <p><img src=":/bnchelp/screenshot15.png"/></p>
