Tektro/TRP Slate Evo - Olive orientation ?

Just installed a new set to TRP Slate Evo. The online install references orientating the "tapered end of the olive facing the lever", but the olives in the box are perfectly symmetrical (both end taper slightly). I nipped the olive up and kept getting a tiny weep of mineral oil at the brake connection, seem to have solved this by tightening the olive right down, but was a reasonable amount of torque required. I assume with the new 5mm Tektro olives it doesn't matter which way the olive faces ?

They are these: