Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: An apparent courtroom confession by a drug dealer accused of murdering a man with a machete over a £2,000 debt "was a mistake", his barrister said.

Jordan O'Brien murder: Accused's court confession 'a mistake'