By title, I think you mean "summary" in JIRA-speak? Unless you have a custom field called "title"?
Either way, you are nearly there already - the right to edit fields is controlled by the edit permission, and it sounds like you do not have it (no edit button)
Talk to the project administrators about being added to a role that allows it!
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
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