diff --git a/src/TelegramBot/Command/ButtonSetCommandsCommand.php b/src/TelegramBot/Command/ButtonSetCommandsCommand.php
index 5d44ad2..80da79b 100644
--- a/src/TelegramBot/Command/ButtonSetCommandsCommand.php
+++ b/src/TelegramBot/Command/ButtonSetCommandsCommand.php
@@ -49,7 +49,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         }
 
         if ($commands === []) {
-            $io->warning('Could not find publish commands');
+            $io->warning('Could not find any commands to publish');
 
             return Command::SUCCESS;
         }
@@ -67,7 +67,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             return Command::FAILURE;
         }
 
-        $io->success('Bot\'s menu button set');
+        $io->success('Bot\'s menu button has been set');
 
         return Command::SUCCESS;
     }
diff --git a/src/TelegramBot/CommandMetadataProvider.php b/src/TelegramBot/CommandMetadataProvider.php
index c3193a5..f681d61 100644
--- a/src/TelegramBot/CommandMetadataProvider.php
+++ b/src/TelegramBot/CommandMetadataProvider.php
@@ -14,19 +14,16 @@ public function __construct(
     }
 
     /**
-     * @return list<OnCommand>
+     * @return \Generator<OnCommand>
      */
-    public function gelMetadataList(): array
+    public function gelMetadataList(): \Generator
     {
-        $list = [];
         foreach ($this->controllersMap as ['controller' => $controller]) {
             $command = $this->instantiateAttribute($controller);
             if ($command !== null) {
-                $list[] = $command;
+                yield $command;
             }
         }
-
-        return $list;
     }
 
     /**
diff --git a/src/TelegramBot/LongPollingService.php b/src/TelegramBot/LongPollingService.php
index b29f829..170116d 100644
--- a/src/TelegramBot/LongPollingService.php
+++ b/src/TelegramBot/LongPollingService.php
@@ -12,6 +12,7 @@
 final class LongPollingService
 {
     private const LIMIT = 50;
+
     private int $timeout = 15;
     private int $offset = 0;
 
diff --git a/tests/CommandMetadataProviderTest.php b/tests/CommandMetadataProviderTest.php
index ce143b9..4277ebe 100644
--- a/tests/CommandMetadataProviderTest.php
+++ b/tests/CommandMetadataProviderTest.php
@@ -27,8 +27,9 @@ final class CommandMetadataProviderTest extends KernelTestCase
 {
     public function testCommandsMetadata(): void
     {
+        /** @var CommandMetadataProvider $commandMetadataProvider */
         $commandMetadataProvider = self::getContainer()->get('telegram_bot.command_metadata_provider');
-        $list = $commandMetadataProvider->gelMetadataList();
+        $list = iterator_to_array($commandMetadataProvider->gelMetadataList());
 
         $this->assertCount(4, $list);
         $this->assertObjectInArray(new OnCommand('/start', '', false, 0), $list);
@@ -37,8 +38,8 @@ public function testCommandsMetadata(): void
         $this->assertObjectInArray(new OnCommand('/test3', 'test3 command description', false, 0), $list);
     }
 
-    private function assertObjectInArray(object $obj, array $arra): void
+    private function assertObjectInArray(object $obj, array $array): void
     {
-        $this->assertContains(json_encode($obj), array_map(fn ($a) => json_encode($a), $arra));
+        $this->assertContains(json_encode($obj), array_map(fn ($a) => json_encode($a), $array));
     }
 }