From 92a99d834b354309c8256168aceaa03c6cf9f7b8 Mon Sep 17 00:00:00 2001
From: Qiming <tengqim@cn.ibm.com>
Date: Tue, 9 Oct 2018 20:07:16 +0800
Subject: [PATCH] Revert "Update api-concepts.md (#10534)"

This reverts commit 20dc612859de3d7eb466cd5a82df5efa8769208f.