info_dict['upload_date'] is documented in --output, IEs MUST specify it

youtube_dl/InfoExtractors.py

@@ -41,6 +41,7 @@ class InfoExtractor(object):
 	id:             Video identifier.
 	url:            Final video URL.
 	uploader:       Nickname of the video uploader.
+	upload_date:    Video upload date (YYYYMMDD).
 	title:          Video title, unescaped.
 	ext:            Video filename extension.
 
@@ -48,7 +49,7 @@ class InfoExtractor(object):
 
 	format:         The video format, defaults to ext (used for --get-format)
 	thumbnail:      Full URL to a video thumbnail image.
-	description     One-line video description.
+	description:    One-line video description.
 	player_url:     SWF Player URL (used for rtmpdump).
 
 	Subclasses of this one should re-define the _real_initialize() and