message: follow_me: Improve description of type
  Improved brief description of type `struct TargetLocation`
diff: @@ -107,7 +107,7 @@ public:
  bool is_active() const;
  /**
  - * @brief Type for Geographical location of the target in motion.
  + * @brief Type for geographical location of the target being followed.
  */
  struct TargetLocation {
  double latitude_deg; /**< @brief Latitude, in degrees */
  