Update README.md

Author: muditlambda

README.md

@@ -2,11 +2,11 @@
 
 PHP selenium automation sample test for Lambdatest Cloud GRID.
 
-## Install PHP
+### Install PHP
 - Download & Install PHP from
    http://php.net/manual/en/install.php
 
-## Install Composer
+### Install Composer
 ```bash
 php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
 php -r "if (hash_file('sha384', 'composer-setup.php') === '93b54496392c062774670ac18b134c3b3a95e5a5e5c8f1a9f115f203b75bf9a129d5daa8ba6a13e2cc8a1da0806388a8') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
@@ -15,7 +15,7 @@ php -r "unlink('composer-setup.php');"
 
 ```
 
-## Composer configuration
+### Composer configuration
 - Create composer.json file with following dependencies
 ```bash
 {
@@ -31,13 +31,16 @@ composer install
 ```
 
 
-### Configuring test.
+### Configuring Test
 - Replace {username} with your username 
 - Replace {accessToken}  with your username 
 - List of supported platfrom, browser, version can be found at https://www.lambdatest.com/capabilities-generator/
 
 
-### Executing test
+### Executing Test
 ```bash
 vendor/bin/phpunit Lambdatest.php
 ```
+
+## About LambdaTest
+[LambdaTest](https://www.lambdatest.com/) is a cloud based selenium grid infrastructure that can help you run automated cross browser compatibility tests on 2000+ different browser and operating system environments. All test data generated during testing including Selenium command logs, screenshots generated in testing, video logs, selenium logs, network logs, console logs, and metadata logs can be extracted using [LambdaTest automation APIs](https://www.lambdatest.com/support/docs/api-doc/). This data can then be used for creating custom reports.