diff --git a/Makefile b/Makefile
index 173c589..9d58f03 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,8 @@ analyze-all:
 	-./vendor/bin/phpstan analyze --level=7  src/ backup
 	@echo Psalm
 	-./vendor/bin/psalm
+	@echo PHP_CodeSniffer
+	-./vendor/bin/phpcs src
 install:
 	php composer.phar install --no-dev
 install-dev:
diff --git a/src/App.php b/src/App.php
index f365e15..b92a251 100644
--- a/src/App.php
+++ b/src/App.php
@@ -8,7 +8,8 @@ use Monolog\Logger;
 use Monolog\Handler\StreamHandler;
 use Psr\Log\NullLogger;
 
-class App {
+class App
+{
     protected Logger $logger;
     protected array $config;
 
@@ -16,7 +17,7 @@ class App {
     {
         $this->config = Yaml::parseFile($configFile);
         $logger = new Logger('app');
-        if(isset($this->config['log'])) {
+        if (isset($this->config['log'])) {
             $logger->pushHandler(new StreamHandler($this->getConfig()['log']));
         }
         $logger->info("Initialization complete");
diff --git a/src/CommandBackup.php b/src/CommandBackup.php
index c26a7e1..ac47735 100644
--- a/src/CommandBackup.php
+++ b/src/CommandBackup.php
@@ -41,7 +41,7 @@ class CommandBackup extends Command
         $rclone->setLogger($app->getLogger()->withName('rclone'));
 
         $ntfy = new Ntfy\Ntfy($app->getConfig()['notification']['domain']);
-        $ntfy->setLogger( $app->getLogger()->withName('notification'));
+        $ntfy->setLogger($app->getLogger()->withName('notification'));
 
         $loader = new ArrayLoader($app->getConfig()['templates']);
         $twig = new Environment($loader);
diff --git a/src/Rclone/Rclone.php b/src/Rclone/Rclone.php
index b22274c..c459756 100644
--- a/src/Rclone/Rclone.php
+++ b/src/Rclone/Rclone.php
@@ -10,7 +10,7 @@ use Symfony\Component\Process\Exception\ProcessFailedException;
 
 use Exception;
 
-class Rclone 
+class Rclone
 {
     use LoggerAwareTrait;
 
@@ -70,8 +70,12 @@ class Rclone
     }
 
     /**
-     * @param $command Top level Rclone command
-     * @param array<String> $options
+     * Execute a command on the rclone binary
+     * 
+     * @param string        $command Top level Rclone command
+     * @param array<String> $options Array of additional options
+     * 
+     * @return string stdout data.
      */
     protected function exec(string $command, array $options = array()) : string
     {
diff --git a/src/Twig/AppExtension.php b/src/Twig/AppExtension.php
index 045aaa2..2da3a95 100644
--- a/src/Twig/AppExtension.php
+++ b/src/Twig/AppExtension.php
@@ -17,8 +17,10 @@ class AppExtension extends AbstractExtension
 
     /**
      * Format a file size to be human readable
+     * 
      * @param int $bytes     Number of bytes
-     * @param int $precision Precision 
+     * @param int $precision Precision
+     * 
      * @return string Formatted string
      */
     public function formatBytes($bytes, $precision = 2)