text: Suspect this relates to driving directions. Car (OSRM) on OSM website also gives a "slight left" before "turn right" - see http://www.openstreetmap.org/directions?engine=osrm_car&route=52.58328%2C-2.08531%3B52.58373%2C-2.08450#map=19/52.58351/-2.08492