Fix typo in YouTube docs. Thanks vbMark for reporting. Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
Fix typo in YouTube docs. Thanks vbMark for reporting.
Signed-off-by: Edward Z. Yang <71e3051a204377f8d7e885f17897f01c539d4005@thewritingpot.com>

stefanotorresi/htmlpurifier,r-kovalenko/htmlpurifier,stefanotorresi/htmlpurifier,ezyang/htmlpurifier,bartbutler/htmlpurifier,stefanotorresi/htmlpurifier,r-kovalenko/htmlpurifier,r-kovalenko/htmlpurifier,bartbutler/htmlpurifier,Janson-Leung/htmlpurifier,Janson-Leung/htmlpurifier,bartbutler/htmlpurifier,stefanotorresi/htmlpurifier,Janson-Leung/htmlpurifier,r-kovalenko/htmlpurifier,bfroehle/htmlpurifier,bfroehle/htmlpurifier,Masterjoa/HTMLPurifier-standalone,ezyang/htmlpurifier,bartbutler/htmlpurifier,ezyang/htmlpurifier,Janson-Leung/htmlpurifier,bfroehle/htmlpurifier,Masterjoa/HTMLPurifier-standalone,ezyang/htmlpurifier