diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8c12d16..399716c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,7 +1,6 @@
 # Contributing to GraphQL PHP
 
 ## Workflow
-
 If your contribution requires significant or breaking changes, or if you plan to propose a major new feature,
 we recommend you to create an issue on the [GitHub](https://github.com/webonyx/graphql-php/issues) with
 a brief proposal and discuss it with us first.
@@ -14,9 +13,10 @@ For smaller contributions just use this workflow:
 * Check your changes using `composer check-all`
 * Send a pull request
 
-## Using GraphQL PHP from a Git checkout
+## Setup the Development Environment
+First, copy the URL of your fork and `git clone` it to your local machine.
+
 ```sh
-git clone https://github.com/webonyx/graphql-php.git
 cd graphql-php
 composer install
 ```
@@ -29,28 +29,26 @@ composer install
 Some tests have annotation `@see it('<description>')`. It is used for reference to same tests in [graphql-js implementation](https://github.com/graphql/graphql-js) with the same description.
 
 ## Coding Standard
-Coding standard of this project is based on [Doctrine CS](https://github.com/doctrine/coding-standard). To run the inspection:
+The coding standard of this project is based on [Doctrine CS](https://github.com/doctrine/coding-standard).
 
+Run the inspections:
 ```sh
 ./vendor/bin/phpcs
 ```
 
-Auto-fixing:
+Apply automatic code style fixes:
 ```sh
 ./vendor/bin/phpcbf
 ```
 
 ## Static analysis
-Based on [PHPStan](https://github.com/phpstan/phpstan)
+Based on [PHPStan](https://github.com/phpstan/phpstan).
 ```sh
 ./vendor/bin/phpstan analyse --ansi --memory-limit 256M
 ```
 
-
 ## Running benchmarks
-
-Benchmarks are run via phpbench:
-
+Benchmarks are run via [PHPBench](https://github.com/phpbench/phpbench).
 ```sh
 ./vendor/bin/phpbench run .
 ```