Update content/hardware/04.pro/boards/portenta-x8/tutorials/16.getting-started-with-ros2/content.md

Co-authored-by: Christopher Méndez <49886387+mcmchris@users.noreply.github.com>

Author: TaddyHC

content/hardware/04.pro/boards/portenta-x8/tutorials/16.getting-started-with-ros2/content.md

@@ -1,5 +1,5 @@
 ---
-title: 'Getting Started with ROS2 and Turtlesim on Portenta X8'
+title: '16. Getting Started with ROS2 and Turtlesim on Portenta X8'
 difficulty: intermediate
 description: "Learn how to set up and run ROS2 with turtlesim visualization on Portenta X8 using an external display via USB-C® to HDMI."
 tags: