Because of bug#162262, update help page accordingly: https://help.libreoffice.org/master/en-US/text/scalc/01/12050200.html?System=UNIX&DbPAR=CALC&HID=modules/scalc/ui/subtotaloptionspage/frame1#bm_id3150543
Olivier Hallot committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/help/commit/72f14132d52088f555d8eb905f6bb944cd96756a tdf#168551 Update SUBTOTAL with summary above/below