I use this approach also and it has served me well now for many years. What I really like is that you can break out of the classic 'flashcards' mindset and don't even necessarily need to have it 'test' you for anything all that difficult. Often times, I want the note to mostly capture my thinking and be available for later reference, so I cloze out a simple word that I'll always recall. Then it's not hard to go through during my reviews, and even if I don't remember exactly what it said without prompting, I'll know I can find the note with a quick search.