Index: trunk/psphot/src/psphotSignificanceImage.c
===================================================================
--- trunk/psphot/src/psphotSignificanceImage.c	(revision 20213)
+++ trunk/psphot/src/psphotSignificanceImage.c	(revision 20286)
@@ -85,5 +85,5 @@
 
     // in fact, because of the smoothing and the resulting correlated errors, the per-pixel
-    // varience is a bit smaller than the value predicted here.  The total variance should be
+    // variance is a bit smaller than the value predicted here.  The total variance should be
     // \alpha 4\pi(\sigma_r_^2 + \sigma_s^2) where \alpha approaches 1 for \sigma_s / \sigma_r
     // << 1, and \alpha approaches 0.5 for \sigma_s / \sigma_r >> 1, with a value of 0.7