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 ## What's new 
 
 ### January 2022
-Added demo for car mapping with CitySim simulator:
+Added [demo](https://github.com/introlab/rtabmap_ros/blob/master/launch/demo/demo_catvehicle_mapping.launch) for car mapping with CitySim simulator:
 [![Watch the video](https://img.youtube.com/vi/vKCTg4plPkw/maxresdefault.jpg)](https://youtu.be/vKCTg4plPkw)
 
 ### December 2021