Update README.md

README.md

@@ -24,7 +24,7 @@
    English | <a href="README_ZH.md">中文<a/> | <a href="README_JP.md">日本語<a/>
 </p>
 
-## What is Higress?
+## Test What is Higress?
 
 Higress is a cloud-native API gateway based on Istio and Envoy, which can be extended with Wasm plugins written in Go/Rust/JS. It provides dozens of ready-to-use general-purpose plugins and an out-of-the-box console (try the [demo here](http://demo.higress.io/)).