Code style

gitlab_api.install

 <?php
 
+/**
+ * @file
+ * GitLab API install file.
+ */
+
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\gitlab_api\Entity\GitlabServer;
 
 /**
- * Migrate configuration to a config entity
+ * Migrate configuration to a config entity.
  */
 function gitlab_api_update_8001() {
   $config = \Drupal::config('gitlab_api.settings');