diff --git a/src/Formatter.php b/src/Formatter.php
index 8a2b7f1..a156835 100644
--- a/src/Formatter.php
+++ b/src/Formatter.php
@@ -207,8 +207,8 @@ protected function stringIsEndOfLimitClause($token)
     }
 
     /**
-     * @param $addedNewline
-     * @param $tab
+     * @param boolean $addedNewline
+     * @param string $tab
      * @param $token
      * @param $queryValue
      *
diff --git a/src/Tokenizer/Parser/Reserved.php b/src/Tokenizer/Parser/Reserved.php
index ba9b55e..caf0c0e 100644
--- a/src/Tokenizer/Parser/Reserved.php
+++ b/src/Tokenizer/Parser/Reserved.php
@@ -101,7 +101,7 @@ protected static function isReservedString($upper, array &$matches, $regexReserv
     }
 
     /**
-     * @param              string $type
+     * @param              string string
      * @param       string        $string
      * @param array               $matches
      *
diff --git a/src/Tokenizer/Tokenizer.php b/src/Tokenizer/Tokenizer.php
index c27ed6f..d4b3c8e 100644
--- a/src/Tokenizer/Tokenizer.php
+++ b/src/Tokenizer/Tokenizer.php
@@ -187,9 +187,9 @@ protected function processOneToken($string)
     }
 
     /**
-     * @param $string
+     * @param string $string
      * @param integer $currentStringLength
-     * @param string $previousToken
+     * @param string string
      *
      * @return array|mixed
      */