diff --git a/README.md b/README.md
index e34253d..afe839a 100644
--- a/README.md
+++ b/README.md
@@ -220,7 +220,7 @@ _(scroll right on table to see all 5 columns)_
 | Trello                         | [rupmalya-trello-clone.herokuapp](https://rupmalya-trello-clone.herokuapp.com/signin) <br/> [youtube.com](https://youtu.be/59oQ01VEm30)                                | [GitHub](https://github.com/RupmalyaK/trello-clone)                                                                                        | Express, MongoDB                                                               | ![GitHub Repo stars](https://img.shields.io/github/stars/RupmalyaK/trello-clone)                                                                                                               |
 | Trello                         | [project-manager1.herokuapp](https://project-manager1.herokuapp.com/)                                                                                                  | [GitHub](https://github.com/arturmolenda/project-manager)                                                                                  | React, Redux, Node, Express, Socket.io, MongoDB                                | ![GitHub Repo stars](https://img.shields.io/github/stars/arturmolenda/project-manager)                                                                                                         |
 | Trello                         | [trello-project-manager.netlify](https://trello-project-manager.netlify.app/)                                                                                          | [GitHub](https://github.com/berabulut/project-manager)                                                                                     | React, Node.js, Firebase, Serverless, AWS Lambda                               | ![GitHub Repo stars](https://img.shields.io/github/stars/berabulut/project-manager)                                                                                                            |
-| Twitter                        | [Mastodon](https://joinmastodon.org/)                                                                                                     | [GitHub](https://github.com/mastodon)                                                                               | Ruby, Go, Postgres, Redis, Docker | ![GitHub Repo stars](https://img.shields.io/github/stars/mastodon/mastodon)                                                                                                      |
+| Twitter                        | [Mastodon](https://joinmastodon.org/)                                                                                                     | [GitHub](https://github.com/mastodon)                                                                               | ActivityPub, Ruby, Go, Postgres, Redis, Docker | ![GitHub Repo stars](https://img.shields.io/github/stars/mastodon/mastodon)                                                                                                      |
 | Twitter                        | [https://tweeetr.netlify.app/](https://tweeetr.netlify.app/) <br/>                                                                                                     | [GitHub](https://github.com/SiddheshDabholkar/Twitter-clone)                                                                               | React,Express js, NodeJS,Graphql,Apollo client,apollo-server,styled-components | ![GitHub Repo stars](https://img.shields.io/github/stars/SiddheshDabholkar/Twitter-clone)                                                                                                      |
 | Twitter                        | [twitter-geek.netlify.app](https://twitter-geek.netlify.app/#/) <br/> [github.com (screenshot)](https://github.com/RisingGeek/twitter-clone/blob/master/Live/feed.png) | [GitHub](https://github.com/RisingGeek/twitter-clone) <br/> [GitHub](https://github.com/RisingGeek/twitter-clone-backend)                  | React, Redux, NodeJS, MYSQL                                                    | ![GitHub Repo stars](https://img.shields.io/github/stars/RisingGeek/twitter-clone) ![GitHub Repo stars](https://img.shields.io/github/stars/RisingGeek/twitter-clone-backend)                  |
 | Twitter                        | [twitterclone2.netlify.app](https://twitterclone2.netlify.app/login.html)                                                                                              | [GitHub](https://github.com/Dunebook/Twitterclone)                                                                                         | HTML, CSS, JQuery                                                              | ![GitHub Repo stars](https://img.shields.io/github/stars/Dunebook/Twitterclone)                                                                                                                |