Index: /trunk/Ohana/src/tools/src/roc.c
===================================================================
--- /trunk/Ohana/src/tools/src/roc.c	(revision 32014)
+++ /trunk/Ohana/src/tools/src/roc.c	(revision 32015)
@@ -198,5 +198,5 @@
 
   target = fopen(targetName, "r");
-  myAssert (target, "failed to open output");
+  myAssert (target, "failed to open rocfile");
   
   ALLOCATE (line, char, 1024);
@@ -368,5 +368,5 @@
   for (i = 0; i < Ninput; i++) {
     input[i] = fopen(inputName[i], "r");
-    myAssert (input[i], "failed to open file %s in %s\n",inputName[i],targetName);
+    myAssert (input[i], "failed to open input: %d data file: %s in %s\n",i,inputName[i],targetName);
   }
 
@@ -381,5 +381,5 @@
       Nread = MIN (ROC_BLOCKSIZE, sizes[i] - bytes_read[i]);
       Nbytes = fread (inputData[i], 1, Nread, input[i]);
-      myAssert (Nbytes == Nread, "failed to read data file: %s read: %d expect: %d prev_read: %d block: %d in %s\n",inputName[i],Nbytes,Nread,(int) bytes_read[i],n,targetName);
+      myAssert (Nbytes == Nread, "failed to read input: %d data file: %s read: %d expect: %d prev_read: %d block: %d in %s\n",i,inputName[i],Nbytes,Nread,(int) bytes_read[i],n,targetName);
       if (Nread < ROC_BLOCKSIZE) {
 	// if we have reached the end of the file, fill in the rest with NULLs
@@ -442,5 +442,5 @@
   fprintf (stderr, "USAGE: roc [mode]\n");
   fprintf (stderr, " -create (target) (input) (input) (input) ... [options]\n");
-  fprintf (stderr, " -repair (target) (file #) (output\n");
+  fprintf (stderr, " -repair (target) (file #) (output)\n");
   fprintf (stderr, " -validate (target)\n");
   fprintf (stderr, " -insert (target) (input)\n");