-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (currently\ youtube\ only)
-\-\-sub\-format\ FORMAT\ \ \ \ \ \ \ \ subtitle\ format\ [srt/sbv/vtt]\ (default=srt)
-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (currently\ youtube\ only)
-\-\-sub\-lang\ LANG\ \ \ \ \ \ \ \ \ \ \ \ language\ of\ the\ subtitles\ to\ download\ (optional)
-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ use\ IETF\ language\ tags\ like\ \[aq]en\[aq]
+\-\-sub\-format\ FORMAT\ \ \ \ \ \ \ \ subtitle\ format\ (default=srt)\ ([sbv/vtt]\ youtube
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ only)
+\-\-sub\-lang\ LANGS\ \ \ \ \ \ \ \ \ \ \ languages\ of\ the\ subtitles\ to\ download\ (optional)
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ separated\ by\ commas,\ use\ IETF\ language\ tags\ like
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \[aq]en,pt\[aq]