Index: /trunk/BNC/src/bnchelp.html
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--- /trunk/BNC/src/bnchelp.html	(revision 7719)
+++ /trunk/BNC/src/bnchelp.html	(revision 7720)
@@ -2821,5 +2821,5 @@
 <li>Satellite Antenna Phase Center offsets are corrected.</li>
 <li>Satellite Antenna Phase Center variations are neglected because this is a small effect usually less than 2 centimeters.</li>
-<li>Observations can be corrected for a Receiver Antenna Offset and Receiver Antenna Phase Center Variation. Depending on whether or not this correction is applied, the estimated position is either that of the receiver's Antenna Phase Center or that of the receiver's Antenna Reference Point.</li>
+<li>Observations can be corrected for a Receiver Antenna Offset and Receiver Antenna Phase Center Variation. Depending on whether or not these corrections are applied, the estimated position is either that of the receiver's Antenna Phase Center or that of the receiver's Antenna Reference Point.</li>
 <li>Ocean and atmospheric loading is neglected. Atmospheric loading is pretty small. Ocean loading is usually also a small effect but may reach up to about 10 centimeters for coastal stations.</li>
 <li>Rotational deformation due to polar motion (Polar Tides) is not corrected because this is a small effect usually less than 2 centimeters.</li>