diff --git a/app/App.php b/app/App.php
index 60391c2..faf5bc0 100644
--- a/app/App.php
+++ b/app/App.php
@@ -1,11 +1,17 @@
 <?php
+/**
+ * Class to initialize the application
+ */
 
 namespace DeliciousBrains\SpinupWPComposerSite;
 
+/**
+ * App class to initialize the application
+ */
 class App {
 
 	/**
-	 * 	Load custom site code
+	 *  Load custom site code
 	 */
 	public function register() {
 	}
@@ -13,8 +19,8 @@ public function register() {
 	/**
 	 * Helper for defining constants if not already defined.
 	 *
-	 * @param string $key
-	 * @param mixed  $value
+	 * @param string $key    The name of the constant to define
+	 * @param mixed  $value  The value to give the constant
 	 */
 	public static function define( $key, $value ) {
 		if ( defined( $key ) ) {
@@ -25,8 +31,10 @@ public static function define( $key, $value ) {
 	}
 
 	/**
-	 * @param $name
-	 * @param $arguments
+	 * This allows the environment to be queried using magic methods like App::is_env_<environment>
+	 *
+	 * @param string $name       The name of the magic method
+	 * @param $arguments  The arguments to the magic method
 	 *
 	 * @return bool
 	 */
@@ -36,4 +44,4 @@ public static function __callStatic( $name, $arguments ) {
 			return $env === env( 'WP_ENV' );
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/config/app.php b/config/app.php
index 19e8f41..9277cf8 100644
--- a/config/app.php
+++ b/config/app.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * Your base production configuration goes in this file. Environment-specific
  * overrides go in their respective config/environments/{{WP_ENV}}.php file.
@@ -9,7 +8,7 @@
  * can.
  */
 
-use \DeliciousBrains\SpinupWPComposerSite\App;
+use DeliciousBrains\SpinupWPComposerSite\App;
 
 $root_dir    = dirname( __DIR__ );
 $webroot_dir = $root_dir . '/public';
@@ -23,7 +22,7 @@
  * Use Dotenv to set required environment variables and load .env file in root
  */
 $env_files = file_exists( $root_dir . '/.env.local' ) ? [ '.env', '.env.local' ] : [ '.env' ];
-$dotenv = Dotenv\Dotenv::createUnsafeImmutable($root_dir, $env_files, false);
+$dotenv = Dotenv\Dotenv::createUnsafeImmutable( $root_dir, $env_files, false );
 if ( file_exists( $root_dir . '/.env' ) ) {
 	$dotenv->load();
 	$dotenv->required( [ 'DB_NAME', 'DB_USER', 'DB_PASSWORD', 'WP_HOME', 'WP_SITEURL' ] );
@@ -40,36 +39,36 @@
 App::define( 'WP_CONTENT_DIR', $webroot_dir . CONTENT_DIR );
 App::define( 'WP_CONTENT_URL', WP_HOME . CONTENT_DIR );
 
-App::define('DB_NAME', env('DB_NAME'));
-App::define('DB_USER', env('DB_USER'));
-App::define('DB_PASSWORD', env('DB_PASSWORD'));
-App::define('DB_HOST', env('DB_HOST') ?: 'localhost');
-App::define('DB_CHARSET', 'utf8mb4');
-App::define('DB_COLLATE', '');
-$table_prefix = env('DB_PREFIX') ?: 'wp_';
+App::define( 'DB_NAME', env( 'DB_NAME' ) );
+App::define( 'DB_USER', env( 'DB_USER' ) );
+App::define( 'DB_PASSWORD', env( 'DB_PASSWORD' ) );
+App::define( 'DB_HOST', env( 'DB_HOST' ) ?: 'localhost' );
+App::define( 'DB_CHARSET', 'utf8mb4' );
+App::define( 'DB_COLLATE', '' );
+$table_prefix = env( 'DB_PREFIX' ) ?: 'wp_';
 
 // Set other constants from env file.
-foreach( array_keys($dotenv->load()) as $key ) {
-	App::define($key, env( $key ));
+foreach ( array_keys( $dotenv->load() ) as $key ) {
+	App::define( $key, env( $key ) );
 }
 
-// Environment config
+// Environment config.
 $env_config = __DIR__ . '/environments/' . WP_ENV . '.php';
 if ( file_exists( $env_config ) ) {
 	require_once $env_config;
 }
 
-App::define('AUTOMATIC_UPDATER_DISABLED', true);
-App::define('DISABLE_WP_CRON', env('DISABLE_WP_CRON') ?: false);
-// Disable the plugin and theme file editor in the admin
-App::define('DISALLOW_FILE_EDIT', true);
-// Disable plugin and theme updates and installation from the admin
-App::define('DISALLOW_FILE_MODS', true);
+App::define( 'AUTOMATIC_UPDATER_DISABLED', true );
+App::define( 'DISABLE_WP_CRON', env( 'DISABLE_WP_CRON' ) ?: false );
+// Disable the plugin and theme file editor in the admin.
+App::define( 'DISALLOW_FILE_EDIT', true );
+// Disable plugin and theme updates and installation from the admin.
+App::define( 'DISALLOW_FILE_MODS', true );
 
-// Secret keys
+// Secret keys.
 if ( ! file_exists( __DIR__ . '/keys.php' ) ) {
 	$keys = file_get_contents( 'https://api.wordpress.org/secret-key/1.1/salt/' );
-	file_put_contents( __DIR__ . '/keys.php', '<?php use ' . App::class . '; ' . str_replace( 'define(', 'App::define(', $keys ) );
+	file_put_contents( __DIR__ . '/keys.php', '<?php use ' . App::class . ";\n" . str_replace( 'define(', 'App::define(', $keys ) );
 }
 include __DIR__ . '/keys.php';
 
diff --git a/public/content/mu-plugins/app.php b/public/content/mu-plugins/app.php
index 06492e7..45a87bf 100644
--- a/public/content/mu-plugins/app.php
+++ b/public/content/mu-plugins/app.php
@@ -1,3 +1,6 @@
 <?php
-// Bootstrap our site code
-( new DeliciousBrains\SpinupWPComposerSite\App() )->register();
\ No newline at end of file
+/**
+ * Bootstrap our site code
+ */
+
+( new DeliciousBrains\SpinupWPComposerSite\App() )->register();
diff --git a/public/index.php b/public/index.php
index add0f9f..9e7f348 100644
--- a/public/index.php
+++ b/public/index.php
@@ -11,7 +11,7 @@
  *
  * @var bool
  */
-define('WP_USE_THEMES', true);
+define( 'WP_USE_THEMES', true );
 
 /** Loads the WordPress Environment and Template */
-require( dirname( __FILE__ ) . '/wp/wp-blog-header.php' );
\ No newline at end of file
+require( dirname( __FILE__ ) . '/wp/wp-blog-header.php' );
diff --git a/public/wp-config.php b/public/wp-config.php
index 5e4c7ca..ddc003d 100644
--- a/public/wp-config.php
+++ b/public/wp-config.php
@@ -6,4 +6,4 @@
  */
 require_once dirname( __DIR__ ) . '/vendor/autoload.php';
 require_once dirname( __DIR__ ) . '/config/app.php';
-require_once ABSPATH . 'wp-settings.php';
\ No newline at end of file
+require_once ABSPATH . 'wp-settings.php';