Give clearer instructions to add the YAML tags
MEMBER
this is great, maybe just put all of it in one line?

> TODO: Add YAML tags here. Copy-paste the tags obtained with the online tagging app: https://huggingface.co/spaces/huggingface/datasets-tagging
2022-01-05T08:59:22Z
https://github.com/huggingface/datasets/pull/3532#issuecomment-1005497427
https://api.github.com/repos/huggingface/datasets/issues/3532
IC_kwDODunzps477qxT
https://api.github.com/repos/huggingface/datasets/issues/comments/1005497427/reactions
2022-01-05T08:59:22Z
https://api.github.com/repos/huggingface/datasets/issues/comments/1005497427
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Fix #3531.

CC: @julien-c @VictorSanh 