Posts in homepage show the video codes

Hi, very good theme.
Have a problem, posts in the homepage show the code of the video. Send image

This is the link

http://www.javierbelloy.cl/

Hello there,

I hope you are doing well today.

Please edit the post then go to the Screen Option on the upper right hand corner and enable the Excerpt option.Once, you have done that scroll down on the edit screen and and an excerpt. This excerpt should be used instead of the entire post.

Best Regards,
Support