[incubator-skywalking] branch master updated: Update README.md (#1963)

[wu...@apache.org]

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wusheng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-skywalking.git


The following commit(s) were added to refs/heads/master by this push:
     new 0d4703c  Update README.md (#1963)
0d4703c is described below

commit 0d4703cd7aafe40ef4b8bd3137ca2f849d5f5c69
Author: 彭勇升 pengys <80...@qq.com>
AuthorDate: Mon Nov 26 12:10:51 2018 +0800

    Update README.md (#1963)
    
    Notice of the system time setting.
---
 docs/en/setup/README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/en/setup/README.md b/docs/en/setup/README.md
index e3f5f3f..6b2b221 100644
--- a/docs/en/setup/README.md
+++ b/docs/en/setup/README.md
@@ -1,6 +1,10 @@
 # Setup
 Setup based on which kind of probes are you going to use. If you don't understand, please read [Concepts and Designs](../concepts-and-designs/README.md) first.
 
+
+**Important: Please comfirm the system time on the monitored servers are same as the time on the OAP servers.**
+
+
 ## Download official releases
 - Backend, UI and Java agent are Apache official release, you could find them at [Apache SkyWalking DOWNLOAD page](http://skywalking.apache.org/downloads/).
 - Download .Net agent by following [Getting started document](https://github.com/OpenSkywalking/skywalking-netcore#getting-started).
@@ -22,4 +26,4 @@ Follow [backend and UI setup document](backend/backend-ui-setup.md) to understan
 scenarios, and open advanced features.
 
 ## Changes log
-Backend, UI and Java agent changes are available [here](../../../CHANGES.md).
\ No newline at end of file
+Backend, UI and Java agent changes are available [here](../../../CHANGES.md).