Index: trunk/psastro/src/psastroFixChips.c
===================================================================
--- trunk/psastro/src/psastroFixChips.c	(revision 20724)
+++ trunk/psastro/src/psastroFixChips.c	(revision 20746)
@@ -49,7 +49,7 @@
     }
 
-    // we now have a set of chip solutions and a set of prediction measure the overall
-    // offset and rotation of the two systems by comparing the chip corners, projected onto
-    // the focal plane (all 4 to prevent solutions tied to a single corner)
+    // We now have a set of chip solutions and a set of predictions.  Measure the overall offset and
+    // rotation of the two systems by comparing the chip corners, projected onto the focal plane
+    // (all 4 to prevent solutions tied to a single corner)
 
     psVector *xObs = psVectorAllocEmpty (4*input->fpa->chips->n, PS_TYPE_F32);
@@ -123,5 +123,5 @@
 
 	psVectorClipFitPolynomial2D (map->y, stats, mask, 0xff, yObs, NULL, xRef, yRef);
-	psTrace ("psModules.astrom", 3, "x resid: %f +/- %f (%ld of %ld)\n", stats->clippedMean, stats->clippedStdev, stats->clippedNvalues, yObs->n);
+	psTrace ("psModules.astrom", 3, "y resid: %f +/- %f (%ld of %ld)\n", stats->clippedMean, stats->clippedStdev, stats->clippedNvalues, yObs->n);
     }
 
