Index: trunk/ippTools/src/pztoolConfig.c
===================================================================
--- trunk/ippTools/src/pztoolConfig.c	(revision 16360)
+++ trunk/ippTools/src/pztoolConfig.c	(revision 16362)
@@ -128,9 +128,9 @@
     psMetadata *copiedArgs = psMetadataAlloc();
     psMetadataAddStr(copiedArgs, PS_LIST_TAIL, "-exp_name", 0,
-            "define exposure ID (required)", NULL); 
+            "define exposure ID", NULL); 
     psMetadataAddStr(copiedArgs, PS_LIST_TAIL, "-inst", 0,
-            "define camera ID (required)", NULL); 
+            "define camera ID", NULL); 
     psMetadataAddStr(copiedArgs, PS_LIST_TAIL, "-telescope", 0,
-            "define telescope ID (required)", NULL); 
+            "define telescope ID", NULL); 
     psMetadataAddStr(copiedArgs, PS_LIST_TAIL, "-class", 0,
             "define class", NULL);
@@ -139,4 +139,6 @@
     psMetadataAddBool(copiedArgs, PS_LIST_TAIL, "-faulted",  0,
             "only return imfiles with a fault status set", false);
+    psMetadataAddU64(copiedArgs, PS_LIST_TAIL, "-limit",  0,
+            "limit result set to N items", 0);
     psMetadataAddBool(copiedArgs, PS_LIST_TAIL, "-simple",  0,
             "use the simple output format", false);