diff --git a/src/main.c b/src/main.c
index 658903c..f3dc78a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,10 +7,10 @@
 #include "include/hex.h"
 #include "include/file.h"
 
-const char* argp_program_version = "xxd 0.1";
+const char* argp_program_version = "xxd 0.2";
 const char* argp_program_bug_address = "supernovaa41@gmx.com";
-static char doc[] = "Creates a hex dump of the given file.";
-static char args_doc[] = "INFILE [OUTFILE]";
+static char doc[] = "Recreation of the GNU util xxd. Creates a hex dump of the given input.";
+static char args_doc[] = "[INFILE [OUTFILE]]";
 static struct argp_option options[] = {
 	{"cols", 'c', "cols", 0, "format <cols> octets per line. Default 16.", 0},
 	{"octets", 'g', "bytes", 0, "number of octets per group in normal output. Default 2.", 0},