Change Youtube Video link: Example

Do you know where i can change this Change * Youtube Video link: Example: http://www.youtube.com/watch?v=_AANZvYn5uk

http://xxxxxxxxxxxxx/administration/lang_file.php and look for

_bx_videos_Embed_example

Thanks a lot

hi first my english is power so...

    i met two problem :1.i cannot enter chinese when i using chat modules.what can i do to solve this problem ?
                                       2. i wonnot use youtobe.how to change another player for example " http://www.youku.com"