diff --git a/src/GifDataStream.php b/src/GifDataStream.php
index 038a9a8..1e4a391 100644
--- a/src/GifDataStream.php
+++ b/src/GifDataStream.php
@@ -162,9 +162,9 @@ public function addFrame(FrameBlock $frame): self
     }
 
     /**
-     * Add frame
+     * Add comment extension
      *
-     * @param FrameBlock $frame
+     * @param CommentExtension $comment
      * @return GifDataStream
      */
     public function addComment(CommentExtension $comment): self