Index: trunk/psModules/src/imcombine/pmSubtractionMatch.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.c	(revision 25120)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.c	(revision 25307)
@@ -953,6 +953,6 @@
     kernels1->mode = PM_SUBTRACTION_MODE_1;
 
-    if (!subtractionModeTest(stamps1, kernels1, "forward", subMask1, rej)) {
-        psError(PS_ERR_UNKNOWN, false, "Unable to test forward subtraction");
+    if (!subtractionModeTest(stamps1, kernels1, "convolve 1", subMask1, rej)) {
+        psError(PS_ERR_UNKNOWN, false, "Unable to test subtraction with convolution of image 1");
         psFree(stamps1);
         psFree(kernels1);
@@ -968,6 +968,6 @@
     kernels2->mode = PM_SUBTRACTION_MODE_2;
 
-    if (!subtractionModeTest(stamps2, kernels2, "backward", subMask2, rej)) {
-        psError(PS_ERR_UNKNOWN, false, "Unable to test backward subtraction");
+    if (!subtractionModeTest(stamps2, kernels2, "convolve 2", subMask2, rej)) {
+        psError(PS_ERR_UNKNOWN, false, "Unable to test subtraction with convolution of image 2");
         psFree(stamps2);
         psFree(kernels2);
@@ -983,5 +983,5 @@
     pmSubtractionKernels *bestKernels = NULL; // Best choice for kernels
     psLogMsg("psModules.imcombine", PS_LOG_INFO,
-             "Forward: %f +/- %f from %d stamps\nBackward: %f +/- %f from %d stamps\n",
+             "Image 1: %f +/- %f from %d stamps\nImage 2: %f +/- %f from %d stamps\n",
              kernels1->mean, kernels1->rms, kernels1->numStamps,
              kernels2->mean, kernels2->rms, kernels2->numStamps);