Clarify that "-w" specifies a *pcap-format* file to be written to.

svn path=/trunk/; revision=29029

1 files changed, 2 insertions, 1 deletions

diff --git a/tshark.c b/tshark.c
index 1dd65fb121..52aa40f054 100644
--- a/tshark.c
+++ b/tshark.c
@@ -284,7 +284,8 @@ print_usage(gboolean print_ver)
 
   /*fprintf(output, "\n");*/
   fprintf(output, "Output:\n");
-  fprintf(output, "  -w <outfile|->           set the output filename (or '-' for stdout)\n");
+  fprintf(output, "  -w <outfile|->           write packets to a pcap-format file named \"outfile\"\n");
+  fprintf(output, "                           (or to the standard output for \"-\")\n");
   fprintf(output, "  -C <config profile>      start with specified configuration profile\n");
   fprintf(output, "  -F <output file type>    set the output file type, default is libpcap\n");
   fprintf(output, "                           an empty \"-F\" option will list the file types\n");