Doc updates

diff --git a/nmrp.c b/nmrp.c
index 327bf816bc0d2d956dbe67cb472496721f164a04..9b05861712c5b6abf328fc0a5b28ce427b7b5ebd 100644 (file)
--- a/nmrp.c
+++ b/nmrp.c
@@ -82,7 +82,9 @@ struct nmrp_msg {
        uint8_t code;
        uint8_t id;
        uint16_t len;
+       /* only opts[0] is valid! think of this as a char* */
        struct nmrp_opt opts[NMRP_MAX_OPT_NUM];
+       /* this is NOT part of the transmitted packet */
        uint32_t num_opts;
 } PACKED;