Your first sentence is better. Did you intend to change 'in' to 'on' in the second sentence?
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YankeeYour first sentence is better.Thanks, Amy.
Did you intend to change 'in' to 'on' in the second sentence?
YankeeHi AngliholicThanks, Amy.
Well, to me the use of 'on' suggests that you might be discussing (or not) details of the mechanics/style of giving the lesson rather than details of the content of the lesson.