[PATCH] fix: fix grammar/typos in hg help -e fix

[Yuya Nishihara]

On Thu, 09 Jan 2020 19:33:17 +0000, timeless wrote:
> # HG changeset patch
> # User timeless <timeless at mozdev.org>
> # Date 1578597560 18000
> #      Thu Jan 09 14:19:20 2020 -0500
> # Node ID b8915d7827251d9383879b3de1d17d0773645dc6
> # Parent  cb2e2b095dc930a37e4de824138e8f5133295c96
> fix: fix grammar/typos in hg help -e fix

Queued for stable, thanks.