docs: update grammar in local setup guide (#36930)
docs: update grammar in local setup guide (#36930)

Co-authored-by: mrugesh <ded85067dde92df26a4da99d8bce6e080cb99366@users.noreply.github.com>
jonathanihm/freeCodeCamp,FreeCodeCamp/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,FreeCodeCamp/FreeCodeCamp,raisedadead/FreeCodeCamp,raisedadead/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,jonathanihm/freeCodeCamp