diff --git a/README.md b/README.md
index aaba2fa..05aa9fc 100644
--- a/README.md
+++ b/README.md
@@ -5,13 +5,13 @@ This website is built using [Docusaurus 2](https://docusaurus.io/), a modern sta
 ### Installation
 
 ```
-$ yarn
+$ npm i
 ```
 
 ### Local Development
 
 ```
-$ yarn start
+$ npm start
 ```
 
 This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
@@ -19,7 +19,7 @@ This command starts a local development server and opens up a browser window. Mo
 ### Build
 
 ```
-$ yarn build
+$ npm build
 ```
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.
@@ -29,13 +29,13 @@ This command generates static content into the `build` directory and can be serv
 Using SSH:
 
 ```
-$ USE_SSH=true yarn deploy
+$ USE_SSH=true npm deploy
 ```
 
 Not using SSH:
 
 ```
-$ GIT_USER=<Your GitHub username> yarn deploy
+$ GIT_USER=<Your GitHub username> npm deploy
 ```
 
 If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the `gh-pages` branch.
diff --git a/blog/authors.yml b/blog/authors.yml
deleted file mode 100644
index bcb2991..0000000
--- a/blog/authors.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-endi:
-  name: Endilie Yacop Sucipto
-  title: Maintainer of Docusaurus
-  url: https://github.com/endiliey
-  image_url: https://github.com/endiliey.png
-
-yangshun:
-  name: Yangshun Tay
-  title: Front End Engineer @ Facebook
-  url: https://github.com/yangshun
-  image_url: https://github.com/yangshun.png
-
-slorber:
-  name: Sébastien Lorber
-  title: Docusaurus maintainer
-  url: https://sebastienlorber.com
-  image_url: https://github.com/slorber.png