i use all my abbreviations in the top line of the note box. things like SLAA...CALLER...TAA... assuming you know those abbreviations.
then, in the lower lines, i get more specific. like..."raises A8 UTG" ...c/red flop w/ set... etc, etc.
my "note box" typically looks like this...
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lpp...caller...
trust his bets...called to rvr w/ 2nd pair...can be bluffed...
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things like that.