Update 04-3-groundwork.html.md

[DIPE00]

[Geokureli]

I feel either way will mess up people who don't understand brackets or basic coding, the old way may cause a missing } and the new way will have them put the next step after the }

[Geokureli]

@DIPE00 does this fix a confusion you specifically had, or is this addressing problems you thought others would have?