diff --git a/.gitignore b/.gitignore
index ecdf2d7..ca03603 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 vendor
 .idea
+cghooks.lock
+
diff --git a/src/DeepLTranslator.php b/src/DeepLTranslator.php
index 8b159e3..785d98f 100644
--- a/src/DeepLTranslator.php
+++ b/src/DeepLTranslator.php
@@ -54,14 +54,11 @@ public function __construct(int $timeout = 5)
         $this->timeout = $timeout;
     }
 
-    /**
-     * @return DeepLTranslator
-     */
     public static function withoutVerifying(): DeepLTranslator
     {
-        self::$verify = false;
+        static::$verify = false;
 
-        return new self;
+        return new static;
     }
 
     /**
@@ -116,7 +113,7 @@ public function translate(string $query, string $to, string $from = 'auto'): Dee
     }
 
     /**
-     * @param int $type 0:format 1:json string 2:array
+     * @param  int  $type 0:format 1:json string 2:array
      * @return array|string
      */
     public function result(int $type = self::TYPE_FORMAT)
@@ -206,7 +203,7 @@ private function postData(string $url, string $data)
             CURLOPT_RETURNTRANSFER => true,
         ];
 
-        if (self::$verify == false) {
+        if (! static::$verify) {
             $opt[CURLOPT_SSL_VERIFYPEER] = false;
             $opt[CURLOPT_SSL_VERIFYHOST] = false;
         }