From cdae311e99574516f151a5e96bd70faf26696326 Mon Sep 17 00:00:00 2001
From: John Zhao <johnzhao@slightech.com>
Date: Wed, 3 Jul 2019 14:02:46 +0800
Subject: [PATCH] docs(sdk): update change log

---
 docs/src/sdk/sdk_changelog.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/src/sdk/sdk_changelog.rst b/docs/src/sdk/sdk_changelog.rst
index cce16b16..bba292c0 100644
--- a/docs/src/sdk/sdk_changelog.rst
+++ b/docs/src/sdk/sdk_changelog.rst
@@ -3,9 +3,10 @@
 Change Log
 ==========
 
-2019-07-01(v2.3.9)
+2019-07-03(v2.3.9)
 -------------------
 1. Fix ros timestamp issue
+2. Add calibration tool doc
 
 2019-05-20(v2.3.8)
 -------------------