Fix help for --window-width and --window-height
The default value is 0 (automatic), not -1.
@@ -127,11 +127,11 @@ static void usage(const char *arg0) {
"\n"
" --window-width value\n"
" Set the initial window width.\n"
- " Default is -1 (automatic).\n"
+ " Default is 0 (automatic).\n"
"\n"
" --window-height value\n"
" Set the initial window width.\n"
- " Default is -1 (automatic).\n"
+ " Default is 0 (automatic).\n"
"\n"
"Shortcuts:\n"
"\n"
