Index: /trunk/BNC/bnchelp.html
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--- /trunk/BNC/bnchelp.html	(revision 1048)
+++ /trunk/BNC/bnchelp.html	(revision 1049)
@@ -690,5 +690,5 @@
 </li>
 <li>
-For using RTCM Version 2.x streams carrying message types 20 and 21 (carrier phase and pseudo-range corrections), broadcast ephemeris are needed. Hence, whenever dealing with message types 20 and 21, make sure that broadcast ephemeris become availabel for BNC through also retrieving at lease one RTCM Version 3.x stream carrying message types 1019 (GPS ephemeris) and 1020 (GLONASS ephemeris).
+For using RTCM Version 2.x streams carrying message types 20 and 21 (carrier phase and pseudo-range corrections), broadcast ephemeris are needed. Hence, whenever dealing with message types 20 and 21, make sure that broadcast ephemeris become available for BNC through also retrieving at least one RTCM Version 3.x stream carrying message types 1019 (GPS ephemeris) and 1020 (GLONASS ephemeris).
 </li>
 <li>