readme: title update

README.md

@@ -1,6 +1,6 @@
-# Tunnel [![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg)](http://godoc.org/github.com/mmatczuk/go-http-tunnel) [![Go Report Card](https://goreportcard.com/badge/github.com/mmatczuk/go-http-tunnel)](https://goreportcard.com/report/github.com/mmatczuk/go-http-tunnel) [![Build Status](http://img.shields.io/travis/mmatczuk/go-http-tunnel.svg?branch=master)](https://travis-ci.org/mmatczuk/go-http-tunnel) [![Github All Releases](https://img.shields.io/github/downloads/mmatczuk/go-http-tunnel/total.svg)](https://github.com/mmatczuk/go-http-tunnel/releases)
+# Go HTTP tunnel [![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg)](http://godoc.org/github.com/mmatczuk/go-http-tunnel) [![Go Report Card](https://goreportcard.com/badge/github.com/mmatczuk/go-http-tunnel)](https://goreportcard.com/report/github.com/mmatczuk/go-http-tunnel) [![Build Status](http://img.shields.io/travis/mmatczuk/go-http-tunnel.svg?branch=master)](https://travis-ci.org/mmatczuk/go-http-tunnel) [![Github All Releases](https://img.shields.io/github/downloads/mmatczuk/go-http-tunnel/total.svg)](https://github.com/mmatczuk/go-http-tunnel/releases)
 
-Tunnel enables you to **share your localhost when you don't have a public IP**.
+Go HTTP tunnel is a reverse tunnel based on HTTP/2. It enables you to share your localhost when you don't have a public IP.
 
 Features: