With Majestic Leap if you've changed the slot where item is placed, the keybind for the "drop down" still shows the initial key of slot where item was placed in the moment of purchase. Video:
All heroes with movement ability have this ability placed in the second slot (i remember when mirage's torando was switched from first to second slot) On the second slot even the Disengaging Sigil would have looked better than Riposte.