Index: trunk/BNC/src/bnchelp.html
===================================================================
--- trunk/BNC/src/bnchelp.html	(revision 6902)
+++ trunk/BNC/src/bnchelp.html	(revision 6903)
@@ -834,5 +834,5 @@
 
 <p>
-Note that it is possible to force a RTCM Version 2 stream to be saved in RINEX Version 3 file format. However, this is not recommended because such stream can not be precisely mapped to RINEX Version 3 as the required information on tracking modes is no part of RTCM Version 2.
+Note that it is possible to force a RTCM Version 2 stream to be saved in RINEX Version 3 file format. However, this is not recommended because such stream can not be precisely mapped to RINEX Version 3 as the required information on tracking modes (observation attributes) is no part of RTCM Version 2.
 </p>