Update README.md

fix link docs

README.md

@@ -1,7 +1,7 @@
 # yar [![Ruby specs](https://github.com/ruby-api-client/yar/actions/workflows/ci.yml/badge.svg)](https://github.com/ruby-api-client/yar/actions/workflows/ci.yml) [![Gem Version](https://badge.fury.io/rb/yar.svg)](https://badge.fury.io/rb/yar) ![GitHub](https://img.shields.io/github/license/ruby-api-client/yar) [![Coverage Status](https://coveralls.io/repos/github/ruby-api-client/yar/badge.svg?branch=main)](https://coveralls.io/github/ruby-api-client/yar?branch=main) ![Gem](https://img.shields.io/gem/dt/yar)
 
 Yandex.Rasp API - API Яндекс.Расписаний  
-docs: <https://yandex.ru/dev/rasp/doc/concepts/about.html>  
+docs: <https://yandex.ru/dev/rasp/>  
 gem: <https://rubygems.org/gems/yar>
 
 ## Install