fix: repo type is explicited

Author: fracapuano

docs/source/il_robots.mdx

@@ -284,7 +284,7 @@ You can look for other LeRobot datasets on the hub by searching for `LeRobot` [t
 
 You can also push your local dataset to the Hub manually, running:
 ```bash
-huggingface-cli upload ${HF_USER}/record-test ~/.cache/huggingface/lerobot/{repo-id}
+huggingface-cli upload ${HF_USER}/record-test ~/.cache/huggingface/lerobot/{repo-id} --repo-type dataset
 ```