Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 16170)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 16248)
@@ -124,5 +124,7 @@
     psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-bg_stdev",  0,
             "define exposure background mean stdev", NAN);
-    psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-good_frac",  0,
+    psMetadataAddF32(adddiffskyfileArgs, PS_LIST_TAIL, "-dtime_diff",  0,
+            "define elapsed processing time", NAN);
+    psMetadataAddF32(adddiffskyfileArgs, PS_LIST_TAIL, "-good_frac",  0,
             "define %% of good pixels", NAN);
     psMetadataAddS16(adddiffskyfileArgs, PS_LIST_TAIL, "-code",  0,