Man pages matching name uves_cal_mflat in section 7:

uves_cal_mflat.7.en	debian 10 / cpl-plugin-uves-doc
uves_cal_mflat.7.en	debian 11 / cpl-plugin-uves-doc
uves_cal_mflat.7.en	debian 12 / cpl-plugin-uves-doc