diff --git a/classes/PlaylistArchiveStream.php b/classes/PlaylistArchiveStream.php
index 6e00747..ee89c4d 100644
--- a/classes/PlaylistArchiveStream.php
+++ b/classes/PlaylistArchiveStream.php
@@ -68,7 +68,7 @@ class PlaylistArchiveStream extends TarArchive
     /**
      * Add data to the archive.
      *
-     * @param mixed $data Data
+     * @param string $data Data
      *
      * @return void
      */
@@ -83,7 +83,6 @@ class PlaylistArchiveStream extends TarArchive
      * Called when fopen() is used on the stream.
      *
      * @param string $path Playlist path (should be playlist://url1;url2;.../format)
-     * @param string $mode Stream mode
      *
      * @return bool
      */
@@ -170,7 +169,7 @@ class PlaylistArchiveStream extends TarArchive
      *
      * @param int $count Number of bytes to read
      *
-     * @return mixed
+     * @return string
      */
     public function stream_read($count)
     {
diff --git a/classes/VideoDownload.php b/classes/VideoDownload.php
index 5d4fb68..1348333 100644
--- a/classes/VideoDownload.php
+++ b/classes/VideoDownload.php
@@ -368,7 +368,7 @@ class VideoDownload
     /**
      * Get a Tar stream containing every video in the playlist piped through the server.
      *
-     * @param string $video  Video object returned by youtube-dl
+     * @param object $video  Video object returned by youtube-dl
      * @param string $format Requested format
      *
      * @return Response HTTP response
diff --git a/controllers/FrontController.php b/controllers/FrontController.php
index dd4a7d0..1ac4969 100644
--- a/controllers/FrontController.php
+++ b/controllers/FrontController.php
@@ -359,7 +359,7 @@ class FrontController
     /**
      * Get a remuxed stream piped through the server.
      *
-     * @param array    $urls     URLs of the video and audio files
+     * @param string[] $urls     URLs of the video and audio files
      * @param string   $format   Requested format
      * @param Response $response PSR-7 response
      * @param Request  $request  PSR-7 request