USART6_CTS pin of STM32F407

Hello forum and devs!

Have one simple question: datasheet of STM32F407ZGT (STM32F40x series) and Cube MX says me, that this MCU doesn't contain USART6_CTS pin, but contain two USART6_CK pins. Is it mistake, and where is USART6_CTS pin?

Official datasheet's page:

https://www.st.com/resource/en/datasheet/stm32f405rg.pdf