Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 13578)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 13580)
@@ -80,7 +80,7 @@
             "define warp ID (required)", NULL);
     psMetadataAddStr(addinputskyfileArgs, PS_LIST_TAIL, "-skycell_id", 0,
-            "define by skycell ID", NULL);
+            "define by skycell ID (required)", NULL);
     psMetadataAddStr(addinputskyfileArgs, PS_LIST_TAIL, "-tess_id", 0,
-            "dfine tess ID", NULL);
+            "dfine tess ID (required)", NULL);
     psMetadataAddStr(addinputskyfileArgs, PS_LIST_TAIL, "-kind", 0,
             "define kind", NULL);