How to clear Facebook Like cache?

Sometimes when you Like an article using Facebook Like button, the post on Facebook shows old information. It's because Facebook saves the page in it's cache and keeps showing the old information, maybe because someone Liked the article prior to you Liking it, or you tried to Like it earlier when the information was old. To Like and post using the newer information in the article, you've to manually clear the Facebook cache. You can do so by following the steps below-

1. Go to https://developers.facebook.com/tools/debug/og/object/
2. Facebook will ask you to login if you are not already logged in
3. Click on the "Debug" button
4. If the post at the bottom of the page shows old info, then click on "Fetch New Scrape Information"
5. You may have to try the previous step a few times until the post at the bottom shows correct info
6. Click on the "See this in the share dialog" link at the very bottom to share