diff --git a/src/Header/AbstractAccept.php b/src/Header/AbstractAccept.php
index c9f603ff50..cb57231754 100644
--- a/src/Header/AbstractAccept.php
+++ b/src/Header/AbstractAccept.php
@@ -151,7 +151,8 @@ protected function parseFieldValuePart($fieldValuePart)
     /**
      * Parse the keys contained in the header line
      *
-     * @param string mediaType
+     * @param string $fieldValuePart
+     * @return array
      */
     protected function getParametersFromFieldValuePart($fieldValuePart)
     {
diff --git a/src/Header/CacheControl.php b/src/Header/CacheControl.php
index 076b330202..24e5a275ca 100644
--- a/src/Header/CacheControl.php
+++ b/src/Header/CacheControl.php
@@ -223,6 +223,7 @@ protected static function parseValue($value)
      * @param array $tokens
      * @param string $string
      * @param string $lastMatch
+     * @return int
      */
     protected static function match($tokens, &$string, &$lastMatch)
     {