Index: trunk/pstamp/src/ppstampArguments.c
===================================================================
--- trunk/pstamp/src/ppstampArguments.c	(revision 23695)
+++ trunk/pstamp/src/ppstampArguments.c	(revision 24966)
@@ -22,7 +22,7 @@
     fprintf(stderr, "Optional arguments:\n");
     fprintf(stderr, "   [-class_id class_id]     selects class_id (only used with -pixcenter)\n");
-    fprintf(stderr, "   [-astrom astrom.cmp] : provide an alternative astrometry calibration\n");
-    fprintf(stderr, "   [-mask   mk_image] :   mask image\n");
-    fprintf(stderr, "   [-weight wt_image] :   weight image\n");
+    fprintf(stderr, "   [-astrom astrom.cmp] :   provide an alternative astrometry calibration\n");
+    fprintf(stderr, "   [-mask   mk_image] :     mask image\n");
+    fprintf(stderr, "   [-variance var_image] :  variance image\n");
     fprintf(stderr, "\n");
 
@@ -81,5 +81,5 @@
     pmConfigFileSetsMD(config->arguments, &argc, argv, "ASTROM", "-astrom", "-astromlist");
     pmConfigFileSetsMD(config->arguments, &argc, argv, "MASK",   "-mask", "-masklist");
-    pmConfigFileSetsMD(config->arguments, &argc, argv, "WEIGHT", "-weight", "-weightlist");
+    pmConfigFileSetsMD(config->arguments, &argc, argv, "VARIANCE", "-variance", "-variancelist");
 
     // the input file is a required argument; if not found, we will exit
Index: trunk/pstamp/src/ppstampParseCamera.c
===================================================================
--- trunk/pstamp/src/ppstampParseCamera.c	(revision 23695)
+++ trunk/pstamp/src/ppstampParseCamera.c	(revision 24966)
@@ -18,5 +18,5 @@
     }
     if (doWeight) {
-        pmFPAfile *outWeight = pmFPAfileDefineSkycell(config, output->fpa, "PPSTAMP.OUTPUT.WEIGHT");
+        pmFPAfile *outWeight = pmFPAfileDefineSkycell(config, output->fpa, "PPSTAMP.OUTPUT.VARIANCE");
         outWeight->save = true;
     }
@@ -54,7 +54,7 @@
     }
     bool doWeight = false;
-    pmFPAfile *weight = pmFPAfileBindFromArgs (&status, input, config, "PPSTAMP.INPUT.WEIGHT", "WEIGHT");
+    pmFPAfile *weight = pmFPAfileBindFromArgs (&status, input, config, "PPSTAMP.INPUT.VARIANCE", "VARIANCE");
     if (!status) {
-        psError(PS_ERR_IO, false, "Failed to build FPA from PPSTAMP.INPUT.WEIGHT");
+        psError(PS_ERR_IO, false, "Failed to build FPA from PPSTAMP.INPUT.VARIANCE");
         return false;
     }