diff --git a/Bin2Root.cpp b/Bin2Root.cpp
index b10547b..0c7bb7e 100644
--- a/Bin2Root.cpp
+++ b/Bin2Root.cpp
@@ -30,10 +30,9 @@ int main(int argc, char **argv) {
   printf("=========================================\n");  
   if (argc < NMINARG)    {
     printf("Incorrect number of arguments:\n");
-    printf("%s [timeWindow] [withTrace] [outFile] [inFile1]  [inFile2] .... \n", argv[0]);
+    printf("%s [timeWindow] [withTrace] [inFile1]  [inFile2] .... \n", argv[0]);
     printf("    timeWindow : in ns, -1 = no event building \n");   
     printf("     withTrace : 0 for no trace, 1 for trace \n");   
-    printf("       outFile : Automatics generated\n");   
     printf("\n");
     printf(" Example: %s -1 0  '\\ls -1 *001*.bin' (no event build, no trace, no verbose)\n", argv[0]);
     printf("          %s 100 0  '\\ls -1 *001*.bin' (event build with 100 ns, no trace, no verbose)\n", argv[0]);