diff --git a/README.md b/README.md
index a94999022..4a53395a7 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Sky Walking | [中文](https://github.com/wu-sheng/sky-walking/wiki/sky-walking-
 
 <img src="https://sky-walking.github.io/page-resources/3.0/skywalking.png" alt="Sky Walking logo" height="90px" align="right" />
 
-**SkyWalking 3.x**: APM for Distributed Systems, also known Distributed Tracing System.
+**SkyWalking 3**: APM for Distributed Systems, also known Distributed Tracing System.
 
 [![Build Status](https://travis-ci.org/wu-sheng/sky-walking.svg?branch=master)](https://travis-ci.org/wu-sheng/sky-walking)
 [![Coverage Status](https://coveralls.io/repos/github/wu-sheng/sky-walking/badge.svg?branch=master&forceUpdate=2)](https://coveralls.io/github/wu-sheng/sky-walking?branch=master)