Index: trunk/BNC/src/bnchelp.html
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--- trunk/BNC/src/bnchelp.html	(revision 4568)
+++ trunk/BNC/src/bnchelp.html	(revision 4569)
@@ -696,5 +696,5 @@
 
 <p><img src="IMG/screenshot29.png"/></p>
-<p><u>Figure 9:</u> Example for RINEX quality check output with BNC in Post Processing mode. A multipath and a signal-to-noise ratio analysis are presented in terms a sky plot.</p>
+<p><u>Figure 9:</u> Example for RINEX quality check output with BNC in Post Processing mode. A multipath and a signal-to-noise ratio analysis are presented in terms of a sky plot.</p>
 
 <p><a name="reqcplots"><h4>3.6.5 Directory for Plots - optional if 'Action' is set</h4></p>