Turkish Airlines' official website should be visited before making any name corrections in tickets, per their name correction policy. Tap the option to manage booking after the internet page has loaded.
For your information, Turkish Airlines Change Fee allows customers to cancel a ticket and reissue it under a new name. A flight ticket cancellation after 24 hours will result in a name correction fee from the airline.

You can look for cancellation options under "manage booking," fill out the necessary information, and you're ready to go!

Would you be able to change the name on a boarding pass Turkish Airlines?

If you provide an inappropriate name when purchasing a flight, Turkish Airlines will let you amend it. The ticket must first be cancelled before being reissued. According to Turkish Airlines Change Flight, there is a 24 hour change/drop strategy. If you need to change/correct a name on a Turkish aircraft, you must do so within 24 hours.