[YoutubeDL] Add playlist_id and playlist_title fields (Fixes #4139)

1 files changed, 4 insertions, 2 deletions

diff --git a/youtube_dl/options.py b/youtube_dl/options.py
index cdcf2f62c..c182abfdc 100644
--- a/youtube_dl/options.py
+++ b/youtube_dl/options.py
@@ -490,10 +490,12 @@ def parseOpts(overrideArguments=None):
               '%(format_id)s for the unique id of the format (like Youtube\'s itags: "137"), '
               '%(upload_date)s for the upload date (YYYYMMDD), '
               '%(extractor)s for the provider (youtube, metacafe, etc), '
-              '%(id)s for the video id, %(playlist)s for the playlist the video is in, '
-              '%(playlist_index)s for the position in the playlist and %% for a literal percent. '
+              '%(id)s for the video id, '
+              '%(playlist_title)s, %(playlist_id)s, or %(playlist)s (=title if present, ID otherwise) for the playlist the video is in, '
+              '%(playlist_index)s for the position in the playlist. '
               '%(height)s and %(width)s for the width and height of the video format. '
               '%(resolution)s for a textual description of the resolution of the video format. '
+              '%% for a literal percent. '
               'Use - to output to stdout. Can also be used to download to a different directory, '
               'for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .'))
     filesystem.add_option(