Referencing reactphp/http instead of clue/reactphp-buzz in README

Author: SimonFrings

README.md

@@ -205,9 +205,9 @@ $connector->connect('tls://smtp.googlemail.com:465')->then(function (ConnectionI
 
 HTTP operates on a higher layer than this low-level HTTP CONNECT implementation.
 If you want to issue HTTP requests, you can add a dependency for
-[clue/reactphp-buzz](https://github.com/clue/reactphp-buzz).
+[reactphp/http](https://github.com/reactphp/http).
 It can interact with this library by issuing all
-[HTTP requests through a HTTP CONNECT proxy server](https://github.com/clue/reactphp-buzz#http-proxy).
+[HTTP requests through a HTTP CONNECT proxy server](https://github.com/reactphp/http#http-proxy).
 This works for both plain HTTP and TLS-encrypted HTTPS requests.
 
 #### Connection timeout