add blocking to readme

Author: hadisfr

README.md

@@ -3,7 +3,7 @@ AP HTTP
 [![Travis (.org)](https://travis-ci.com/UTAP/APHTTP.svg)](https://travis-ci.com/UTAP/APHTTP)
 [![code style: LLVM](https://img.shields.io/badge/code_style-LLVM-brightgreen.svg)](https://llvm.org/docs/CodingStandards.html)
 
-**AP HTTP::_server_** is a simple web application server-side framework for C++ based on simplified versions of [W++](http://konteck.github.io/wpp/), [HappyHTTP](http://scumways.com/happyhttp/happyhttp.html), and [cpp-netlib](http://cpp-netlib.org/).
+**AP HTTP::_server_** is a simple web application server-side blocking framework for C++ based on simplified versions of [W++](http://konteck.github.io/wpp/), [HappyHTTP](http://scumways.com/happyhttp/happyhttp.html), and [cpp-netlib](http://cpp-netlib.org/).
 
 ## Quick How-to & Examples