Finding the yellow note and using that clue to figure out the dogs name is the puzzle. The is no point in hiding the note, it dosent make the puzzle better, I will make it visible at start in the office. Thank you for the valuable feedback
the alternative solution is like an easter egg that only people who has heard the password joke below will find.
-I canged my password to INCORRECT so if I get it wrong the computer will tell me -Password is INCORRECT .