Total Concentration

So you know when you are concentrating on something it is easy to make a simple mistake? Today while I was making a poster board the title was supposed to be "Learning to Play the Piano", yet after I glued the letters down I realized that my board said "Learning to Play the Pano". Nice. I'm not really sure what a "Pano" is. At least the mistake was at the end. I had to tear off all of the letters while telling myself how dumb I am, and reput the CORRECT spelling on the board. I should have just left it, that may have been more fun.