I bet you are talking about the Issue Summary, Yes? If you are in the role with the "Edit Issue" in the Permission Scheme and the "Summary" is in the "Edit Screen" for that issue type screen scheme, you can:
If you are pertaining to the Issue Number itself, that's not editable
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs