diff options
| -rw-r--r-- | youtube_dl/extractor/common.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 6fa60622e..f34d36cb0 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -51,7 +51,8 @@ class InfoExtractor(object): Calculated from the format_id, width, height. and format_note fields if missing. * format_id A short description of the format - ("mp4_h264_opus" or "19") + ("mp4_h264_opus" or "19"). + Technically optional, but strongly recommended. * format_note Additional info about the format ("3D" or "DASH video") * width Width of the video, if known |