:/> appearing in the top left hand corner of my post pages ??

I have tried almost everything, and only disableing the app will make it go away!

There is a :/> symbol in the very top left hand corner of my post pages. Doesnt come up on my home page, no-one can seem to explain it or give me an answer on how to get rid of it.

my website is http://peregiansprings.tv

Please help?

https://wordpress.org/plugins/automatic-youtube-video-posts/