fix typo in index.js
fix typo in index.js

hooplert/jesper,jvrousseau/turf,stebogit/turf,dpmcmlxxvi/turf,ath0mas/turf,Turfjs/turf,jvrousseau/turf,hooplert/jesper,stebogit/turf,jvrousseau/turf,tilemapjp/turf,dpmcmlxxvi/turf,hooplert/jesper,tilemapjp/turf,stebogit/turf,Turfjs/turf,Turfjs/turf,tilemapjp/turf,dpmcmlxxvi/turf,ath0mas/turf