This section describes common approaches to troubleshooting your site
Use the Structured Data Testing Tool to test your markup
to make sure properties specify suitable values, such as a
correct name, contact info, and logo. Give our system a week to
find and update your site details in Search results.
Make suggested changes to Knowledge Graph cards.
If you have waited at least one
week since your marked-up page was last crawled by Google, report information
that you believe is incorrect in a Knowledge Graph card, by
clicking the Feedback link at the bottom of the Knowledge Graph card.
If you are a recognized authority or the site or entity represented in the Knowledge Graph card,
you will see more options for providing specific edits.