change client option name

README.md

@@ -16,7 +16,7 @@ Server OPTION and arguments:
 
 Client option and arguments:
 - `-b` or `--benchmark` :benchmark mode
-- `--nogui` :no progress bar
+- `-nv` or `--no-verbose` :no progress bar
 
 Available macro:
 

client.c

@@ -221,7 +221,7 @@ int main(int argc, const char *argv[]){
             arg_filename_start++;
             bench.benchmode = true;
         }
-        else if(strcmp("--nogui",argv[arg_filename_start])==0){
+        else if(strcmp("-nv",argv[arg_filename_start]) == 0||strcmp("--no-verbose",argv[arg_filename_start])==0){
             arg_filename_start++;
             DisplayProgress = false;
         }