Update README.md

README.md

@@ -147,7 +147,7 @@ lerobot-record
 --teleop.port=/dev/ttyACM1
 --teleop.id=my_awesome_leader_arm
 --robot.cameras='{
-hand: {type: opencv, index_or_path: /dev/video2, width: 640, height: 480, fps: 30, rotation: ROTATE_270}
+hand: {type: opencv, index_or_path: /dev/video2, width: 480, height: 640, fps: 30, rotation: ROTATE_270}
 }'
 --display_data=true
 --dataset.repo_id=${HF_USER}/test30