avconv: Make the private options discovery more manifest

diff --git a/avconv_opt.c b/avconv_opt.c
index 5bdd7d9c0e5616c84deae8dfa06d7a549e3ee6a3..a606606b02e35d876b9d28b7ae2160ce62617832 100644 (file)
--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -2121,6 +2121,7 @@ void show_help_default(const char *opt, const char *arg)
            "    -h      -- print basic options\n"
            "    -h long -- print more options\n"
            "    -h full -- print all options (including all format and codec specific options, very long)\n"
+           "    -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
            "    See man %s for detailed description of the options.\n"
            "\n", program_name);