lab1.md

@@ -96,17 +96,24 @@ Start Apptainer ROS
 start_ros
 ```
 
+<div style="padding: 5pt;background: rgb(221, 250, 221);border-left: 3px solid rgb(106, 222, 106);margin-bottom: 1ex;">
+
+**Important Note!** 
+
+```start_ros``` needs to be used to start  ```bash``` terminal with ROS setup when you open a new Terminal window.
+
+ **This has to be run always before any commands discussed below when using new Terminal window (as shown in the "Starting the simulator section), otherwise ROS commands will not work.**
+</div>
 
 Starting the simulator
 -------------------
 
-To start the robot platform with the simple simulator:
+To start the robot platform with the simple simulator, open new Terminal and run:
 
 ```bash
 start_ros
 ros2 launch air_bringup turtle.launch.py
 ```
-**Important Note!**  ```start_ros``` needs to be used to start  ```bash``` terminal with ROS setup. **This has to be run always before any commands discussed below.**
 
 If all goes well, the following image should appear: