No worries. Two things to help:
1.) Change the tags on the page
2.) Re-submit that same URL via the validator
3.) Re-apply, if need bae
You may need to submit multiple times, for reasons that might be a bit obscure and not worth going into. But when your tags update on that page, you’ll know our cache has recognized your changes.
Also note these step to refresh, which also works:
https://dev.twitter.com/docs/cards/troubleshooting
