Index: trunk/ppSub/src/ppSubArguments.c
===================================================================
--- trunk/ppSub/src/ppSubArguments.c	(revision 14747)
+++ trunk/ppSub/src/ppSubArguments.c	(revision 14806)
@@ -18,5 +18,5 @@
     fprintf(stderr, "\nPan-STARRS PSF-matched image subtraction\n\n");
     fprintf(stderr, "Usage: %s INPUT.fits REFERENCE.fits OUTPUT_ROOT \n"
-            "\t[-psf REFERENCE.psf.fits]\n\n"
+            "\t[-psf REFERENCE.psf.fits] [-sources REFERENCE.cmf]\n\n"
             "This subtracts the convolved REFERENCE from the INPUT, by default.\n",
             program);
@@ -177,4 +177,5 @@
                       psArgumentGet(argc, argv, "-psf") ? true : false);
     pmConfigFileSetsMD(config->arguments, &argc, argv, "PSPHOT.PSF", "-psf", NULL);
+    pmConfigFileSetsMD(config->arguments, &argc, argv, "PPSUB.SOURCES", "-sources", NULL);
 
     psMetadata *arguments = psMetadataAlloc(); // Command-line arguments