diff --git a/moviepy/video/VideoClip.py b/moviepy/video/VideoClip.py
index bcc6bb2bb..342e3dfe9 100644
--- a/moviepy/video/VideoClip.py
+++ b/moviepy/video/VideoClip.py
@@ -238,10 +238,11 @@ def write_videofile(self, filename, fps=None, codec=None,
 
         preset
           Sets the time that FFMPEG will spend optimizing the compression.
-          Choices are: ultrafast, superfast, fast, medium, slow, superslow.
-          Note that this does not impact the quality of the video, only the
-          size of the video file. So choose ultrafast when you are in a
-          hurry and file size does not matter.
+          Choices are: ultrafast, superfast, veryfast, faster, fast, medium,
+          slow, slower, veryslow, placebo. Note that this does not impact
+          the quality of the video, only the size of the video file. So
+          choose ultrafast when you are in a hurry and file size does not
+          matter.
 
         threads
           Number of threads to use for ffmpeg. Can speed up the writing of