Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
The correct title is displayed on the page source as you can see below:
I would suggest that you wait for Google to crawl you site for the new titles to be updated on the Google cache. Most of the affected web pages have not been crawled in a while:
Looking forward to helping you. Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.