How is the right to rectification (i.e. to update their data) handled in the Volcanic dashboard?

How is the right to rectification (i.e. to update their data) handled in the Volcanic dashboard?

Personal data can be rectified if it is inaccurate or incomplete. The request must be actioned within one month. 

The Volcanic approach makes this simple - all data on a candidate is shown in the candidate dashboard area and can be updated by the individual.