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: There has been £22m of Renewable Heat Incentive (RHI) money handed back to the Treasury in 2020, a report by Northern Ireland's top auditor has shown.

Renewable Heat Incentive: £22m of RHI money returned to Treasury