# mh_copyright > Adjust copyright headers for MATLAB or Octave code. > More information: . - Update the year (range) to include the current year for the specified files: `mh_copyright --primary-entity="{{entity}}" --update-year {{path/to/file_or_directory1.m path/to/file_or_director2.m ...}}` - Update the year (range) to include the current year for all files: `mh_copyright --primary-entity="{{entity}}" --update-year`