diff --git a/src/CommandShow.php b/src/CommandShow.php
index 2c8b290..d704d38 100644
--- a/src/CommandShow.php
+++ b/src/CommandShow.php
@@ -26,6 +26,11 @@ class CommandShow extends Command
         );
     }
 
+    /**
+     * 1. Read the configuration file.
+     * 2. For each configured backup print the details
+     * 3. Exit
+     */
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $sio = new SymfonyStyle($input, $output);
diff --git a/src/Notification/Notification.php b/src/Notification/Notification.php
index baf95cb..b734774 100644
--- a/src/Notification/Notification.php
+++ b/src/Notification/Notification.php
@@ -21,7 +21,7 @@ class Notification
     /**
      * Load multiple configurations
      *
-     * @param array<array<string>> $config Array of notifier configurations.
+     * @param array<string[]> $config Array of notifier configurations.
      */
     public function loadMany(array $config): void
     {
diff --git a/src/Notification/Ntfy.php b/src/Notification/Ntfy.php
index b97ab6e..fa3ba8e 100644
--- a/src/Notification/Ntfy.php
+++ b/src/Notification/Ntfy.php
@@ -13,6 +13,7 @@ use InvalidArgumentException;
 class Ntfy implements NotificationInterface
 {
     private string $topic = 'default';
+
     /**
      * Initialize with configuration.
      *
@@ -45,6 +46,9 @@ class Ntfy implements NotificationInterface
         return $this->topic;
     }
 
+    /**
+     * Push a message with Ntfy
+     */
     public function send(string $title, string $message): void
     {
         if (strlen($title) < 1 || strlen($title) >= 256) {
diff --git a/tests/CommandBackupTest.php b/tests/CommandBackupTest.php
index 4369e24..5b0d12f 100644
--- a/tests/CommandBackupTest.php
+++ b/tests/CommandBackupTest.php
@@ -31,7 +31,6 @@ final class CommandBackupTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandBackup());
 
-
         $command = $applicationd->find('backup');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "bad_file"]);
@@ -46,7 +45,6 @@ final class CommandBackupTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandBackup());
 
-
         $command = $applicationd->find('backup');
         $commandTester = new CommandTester($command);
         $this->expectException(\Exception::class);
@@ -60,7 +58,6 @@ final class CommandBackupTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandBackup());
 
-
         $command = $applicationd->find('backup');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "config.example.yml"]);
@@ -76,7 +73,6 @@ final class CommandBackupTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandBackup());
 
-
         $command = $applicationd->find('backup');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "config.example.yml"]);
@@ -92,7 +88,6 @@ final class CommandBackupTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandBackup());
 
-
         $command = $applicationd->find('backup');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "config.example.yml"]);
diff --git a/tests/CommandShowTest.php b/tests/CommandShowTest.php
index fa53034..20cbdaf 100644
--- a/tests/CommandShowTest.php
+++ b/tests/CommandShowTest.php
@@ -15,12 +15,10 @@ final class CommandShowTest extends \PHPUnit\Framework\TestCase
 {
     public function testInvalidConfig(): void
     {
-
         $applicationd = new Application('backup', "1.1.1");
 
         $applicationd->add(new CommandShow());
 
-
         $command = $applicationd->find('show');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "bad_file"]);
@@ -37,7 +35,6 @@ final class CommandShowTest extends \PHPUnit\Framework\TestCase
 
         $applicationd->add(new CommandShow());
 
-
         $command = $applicationd->find('show');
         $commandTester = new CommandTester($command);
         $commandTester->execute(['config' => "config.example.yml"]);