Index: trunk/psphot/src/psphotTestArguments.c
===================================================================
--- trunk/psphot/src/psphotTestArguments.c	(revision 5980)
+++ trunk/psphot/src/psphotTestArguments.c	(revision 5993)
@@ -8,5 +8,5 @@
   psArgumentVerbosity (argc, argv);
 
-  if (*argc != 3) usage ();
+  if (*argc != 4) usage ();
 
   return;
@@ -15,5 +15,5 @@
 static int usage () {
 
-    fprintf (stderr, "USAGE: psphotModelTest (apresid.dat) (power)\n");
+    fprintf (stderr, "USAGE: psphotTest (input.fits) (output.hdr) (out.fits)\n");
     exit (2);
 }