message: core: improve dronecore.h docs after review
diff: @@ -59,9 +59,11 @@ public:
  ConnectionResult add_any_connection(const std::string &connection_url);
  /**
  - * @brief Adds a UDP connection to the specified port number on 0.0.0.0 on any local interface.
  + * @brief Adds a UDP connection to the specified port number.
  *
  - * @param local_port The local UDP port to listen to (defaults to 14540, the same as mavros).
  + * Any incoming connections are accepted (0.0.0.0).
  + *
  + * @param local_port The local UDP port to listen to (defaults to 14540, the same as MAVROS).
  * @return The result of adding the connection.
  */
  ConnectionResult add_udp_connection(int local_port = DEFAULT_UDP_PORT);
  @@ -69,11 +71,11 @@ public:
  /**
  * @brief Adds a UDP connection to the specified port number and local interface.
  *
  - * To accept only connections local connections of the machine, use 127.0.0.1, for any
  - * incoming connections, use 0.0.0.0.
  + * To accept only local connections of the machine, use 127.0.0.1.
  + * For any incoming connections, use 0.0.0.0.
  *
  * @param local_bind_ip The local UDP ip to listen to.
  - * @param local_port The local UDP port to listen to (defaults to 14540, the same as mavros).
  + * @param local_port The local UDP port to listen to (defaults to 14540, the same as MAVROS).
  * @return The result of adding the connection.
  */
  ConnectionResult add_udp_connection(const std::string &local_ip,
  