diff --git a/phpBB/phpbb/mimetype/guesser.php b/phpBB/phpbb/mimetype/guesser.php
index 1808867cce..773a1f822a 100644
--- a/phpBB/phpbb/mimetype/guesser.php
+++ b/phpBB/phpbb/mimetype/guesser.php
@@ -96,7 +96,12 @@ class guesser
 	}
 
 	/**
-	* @inheritdoc
+	* Guess mimetype of supplied file
+	*
+	* @param string $file Path to file
+	* @param string $file_name The real file name
+	*
+	* @return string Guess for mimetype of file
 	*/
 	public function guess($file, $file_name = '')
 	{