Added comments and fixed a typo.
Added comments and fixed a typo.

google/personfinder,google/personfinder,google/personfinder,clobrano/personfinder,AwesomeTurtle/personfinder,gimite/personfinder,groschovskiy/personfinder,AwesomeTurtle/personfinder,gimite/personfinder,google/personfinder,clobrano/personfinder,gimite/personfinder,g19-hs/personfinder,gimite/personfinder,groschovskiy/personfinder,clobrano/personfinder,g19-hs/personfinder,AwesomeTurtle/personfinder