Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 14250)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 14358)
@@ -119,7 +119,7 @@
             "define warp ID (required)", NULL);
     psMetadataAddStr(adddiffskyfileArgs, PS_LIST_TAIL, "-uri", 0,
-            "define URI of file (required)", 0);
+            "define URI of file", 0);
     psMetadataAddStr(adddiffskyfileArgs, PS_LIST_TAIL, "-path_base", 0,
-            "define base output location (required)", 0);
+            "define base output location", 0);
     psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-bg",  0,
             "define exposure background", NAN);