Try to include improvements that are relevant to the job. A wide variety of activities can be mentioned as positive self-improvement. Have some good ones in handy to mention in this circumstance.

Employers tend to look for goal-oriented applicants. Show a desire for continuous learning by listing your non-work related hobbies. Regardless of what hobbies you choose to present, remember that the goal is to prove self-sufficiency, time management, and motivation.

Everyone should learn from his mistake. I always try to consult my mistakes with my friends and relatives, especially with elder and experienced persons.