docs: fix grammar errors#3983

Merged

mattklein123 merged 2 commits intoenvoyproxy:masterfrom

kakengloh:master

Jul 30, 2018

Commits on Jul 28, 2018

docs: fix grammar errors
kakengloh
committed

Commits on Jul 30, 2018

changed from "help" to "helps"
kakengloh
authored