Hi @Fuad_Hasanli ,
Looks like renderer is set as default text. It has to be updated as wiki style renderer.
Please go to filed configuration schema of your project and update the renderer of these fields. so you can get the options.
Refer below link for more details.
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events