URL Build Error

Hello,

The system automatically adds texts to the end of the URL. To explain with an example;

The URL I want to create: https://temesist.com/istanbul-merkez

URL generated by the system: https://temesist.com/istanbul-merkez-temesist-endustriyel-depo-ve-raf-sistemleri/

It automatically creates this area (temesist-industrial-warehouse-and-shelf-systems/) at the end of each page. How can I turn this off? Could you please explain with a screenshot or step by step?

Best Regards

The page I need help with: [log in to see the link]