As a JSM administrator, you have two options to access Modify My Request project configuration:
→ from Get started: Go to tab → Select project to configure → Select Jira Service Management project you want to configure Modify My Request for → Click Go to project
image: Modify My Request: Project configuration
→ from Jira menu: Go to the Jira Service Management project you want to configure Modify My Request for → Select Project settings → Scroll down and select Modify My Request
image: Modify My Request: Project configuration