Update README

README.md

@@ -2,15 +2,14 @@
 
 This repository contains a never-valueless, strong guarantee, C++11/14/17
 implementation of [std::variant](http://en.cppreference.com/w/cpp/utility/variant).
-See [the documentation](https://www.boost.org/doc/libs/master/libs/variant2/)
+See [the documentation](https://www.boost.org/libs/variant2)
 for more information.
 
 The code requires [Boost.Mp11](https://github.com/boostorg/mp11) and
 Boost.Config.
 
-The repository is intended to be placed into the `libs/variant2` directory of
-a Boost clone or release, but the header `variant.hpp` will also work
-[standalone](https://godbolt.org/z/nVUNKX).
+The library is part of Boost, starting from release 1.71, but the header
+`variant.hpp` will also work [standalone](https://godbolt.org/z/nVUNKX).
 
 Supported compilers:
 
@@ -19,4 +18,4 @@ Supported compilers:
 * Visual Studio 2015, 2017, 2019
 
 Tested on [Travis](https://travis-ci.org/boostorg/variant2/) and
-[Appveyor](https://ci.appveyor.com/project/pdimov/variant2/).
+[Appveyor](https://ci.appveyor.com/project/pdimov/variant2-fkab9).

doc/variant2/implementation.adoc

@@ -21,5 +21,5 @@ This implementation only depends on Boost.Config and Boost.Mp11.
 * Clang 3.5 or later with `-std=c++11` or above
 * Visual Studio 2015, 2017, 2019
 
-Tested on https://travis-ci.org/pdimov/variant2/[Travis] and
-https://ci.appveyor.com/project/pdimov/variant2/[Appveyor].
+Tested on https://travis-ci.org/boostorg/variant2/[Travis] and
+https://ci.appveyor.com/project/pdimov/variant2-fkab9[Appveyor].