How do i put notes on my iPod?PLEASE HELP ME!?

ive read SO MANY explanations and i cannot do it! im to the step of puting the typed notes in text format into my itunes but everytime i drag it to the itunes file it has a black circle with a slash through it like i cant do it. ive tried putting it directly into my open itunes and it does the same thing PLEASE HELP ME!!!