updated README.md

Signed-off-by: Jakub Delicat <jakub.delicat@husarion.com>

README.md

@@ -10,7 +10,7 @@ Metapackage that contains dependencies to other repositories. It is also used to
 
 ### `rosbot_xl_bringup`
 
-Package that contains launch, which starts all base functionalities. Also configs for `robot_localization` and `laser_filters` are defined there.
+Package that contains launch, which starts all base functionalities with the microros agent. Also configs for `robot_localization` and `laser_filters` are defined there.
 
 ### `rosbot_xl_description`
 
@@ -32,6 +32,10 @@ Launch files for Ignition Gazebo working with ROS2 control.
 
 ROS2 hardware controller for ROSbot XL. Inputs and outputs data from ROS2 control and forwards it via ROS topic to be read by microros.
 
+### `rosbot_xl_utils`
+
+This package contains the stable firmware version with the flash script.
+
 ## ROS API
 
 Available in [ROS_API.md](./ROS_API.md)