Facebook shows wrong content when you placed or shared your website URL in your post. Check out the recommendations that we have in this article to fix the issue.
Facebook scrape data once every 24 hours. And sometimes, it has a caching issue which may show an old version of your website content. If your website description is showing the wrong data on your facebook post, please go to the below URL to refresh a brand new copy.
Here is the URL for facebook rescrape: http://developers.facebook.com/tools/lint/
If you have further questions, please do not hesitate to contact our support team.