update partition-table.md (#3087)
update partition-table.md (#3087)

* update partition-table.md

Signed-off-by: Liqi Geng <4622f8b79692f84595f46115884c6853b7a74a12@gmail.com>

* address comments

Signed-off-by: Liqi Geng <4622f8b79692f84595f46115884c6853b7a74a12@gmail.com>

* Update partitioned-table.md

Co-authored-by: tiancaiamao <48aebea98a34f57aeb4a54e61516b84e910a14c8@gmail.com>

Co-authored-by: tiancaiamao <48aebea98a34f57aeb4a54e61516b84e910a14c8@gmail.com>
pingcap/docs,pingcap/docs,pingcap/docs