An icon to the right of every HTML form input seems messy to me.
Will you have tooltips in every input?

I was thinking an icon at the <h2> title.  And tooltips on the labels. I'll fool around with it and see how it looks.
From what I’ve seen until now, it is a pattern to put a tooltip in the info sign. Never seen in labels. Some users will not realise this. As a designer I wouldn’t do that.

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Gabriel Cardoso
User Experience Designer @ Red Hat