Index: trunk/BNC/bnchelp.html
===================================================================
--- trunk/BNC/bnchelp.html	(revision 2713)
+++ trunk/BNC/bnchelp.html	(revision 2714)
@@ -317,5 +317,5 @@
 <li>For Galileo satellites, 'E': C1 L1 D1 S1 C5 L5 D5 S5</li>
 </ul>
-In case an observation is unavailable, its value is set to zero '0.000'. Note that the 'RINEX TYPE' field in the RINEX Observation file header is always set to 'M(MIXED)' even if the file does not contain any GLONASS or SABAS data.
+In case an observation is unavailable, its value is set to zero '0.000'. Note that the 'RINEX TYPE' field in the RINEX Observation file header is always set to 'M(MIXED)' even if the file only contains data from one system.
 </p> 
 
