Index: trunk/ppStack/src/ppStackArguments.c
===================================================================
--- trunk/ppStack/src/ppStackArguments.c	(revision 13750)
+++ trunk/ppStack/src/ppStackArguments.c	(revision 14275)
@@ -19,9 +19,10 @@
     fprintf(stderr, "Usage: %s INPUTS.mdc OUTPUT_ROOT\n"
             "where INPUTS.mdc contains various METADATAs, each with:\n"
-            "\tIMAGE(STR):  Image filename\n"
-            "\tMASK(STR):   Mask filename\n"
-            "\tSEEING(F32): Seeing FWHM (pixels)\n"
-            "\tWEIGHT(F32): Relative weighting to be applied\n"
-            "\tSCALE(F32):  Relative scaling to be applied\n",
+            "\tIMAGE(STR):     Image filename\n"
+            "\tMASK(STR):      Mask filename\n"
+            "\tWEIGHT(STR)     Weight map filename\n"
+            "\tSEEING(F32):    Seeing FWHM (pixels)\n"
+            "\tWEIGHTING(F32): Relative weighting to be applied\n"
+            "\tSCALE(F32):     Relative scaling to be applied\n",
             program);
     fprintf(stderr, "\n");