ZOOKEEPER-4411: [PATCH] improve the grammar issue in the README.md
ZOOKEEPER-4411: [PATCH] improve the grammar issue in the README.md

I'm not sure if I corrected the sentence correctly, so this might be an incorrect interpretation.

Author: fredster33 <64927044+fredster33@users.noreply.github.com>

Reviewers: Christopher Tubbs <ctubbsii@apache.org>, maoling <maoling@apache.org>

Closes #1632 from fredster33/patch-1 and squashes the following commits:

452379fa7 [fredster33] Accept change
4a0bceab3 [fredster33] Grammar fix

apache/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,maoling/zookeeper,maoling/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,maoling/zookeeper,apache/zookeeper,apache/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,apache/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,apache/zookeeper