It's pedantic and the way you did it was rude. You ought to have commented: "I believe you meant heat sink, not 'heat sync', am I correct?" The average HNer i

It's pedantic and the way you did it was rude. You ought to have commented: "I believe you meant heat sink, not 'heat sync', am I correct?" The average HNer is above average in intelligence and does not require a minor typo to be explicitly corrected.