tree a561e7bf7f60d01506e7436c90e838b2a45afac4
parent 6997bf731034cdae03fafcb4b8524dd9021f6dee
author Eugene <liujin@apache.org> 1543543395 -0700
committer William Guo <guoyp@apache.org> 1543543395 -0700

doc improvement

A minor update to give more introduction description

Author: Eugene <liujin@apache.org>

Closes #460 from toyboxman/doc.