get_hkl: Remove untruth in --help

src/get_hkl.c

@@ -58,8 +58,7 @@ static void show_help(const char *s)
 "To calculate Poisson samples accurately, you must also give:\n"
 "  -b, --beam=<file>          Get beam parameters from file.\n"
 "\n"
-"You can artificially 'twin' the reflections, or expand them out.  You can also"
-" do both, in which case the 'twinning' will be done first:\n"
+"You can artificially 'twin' the reflections, or expand them out.\n"
 "  -w, --twin=<sym>           Generate twinned data according to the given\n"
 "                              point group.\n"
 "  -e, --expand=<sym>         Expand reflections to this point group.\n"