Looks like "Invite Users" is handled by a plugin, and therefore can't be customized the way "Create Users" can.
BTW, if you're happy with using "Create Users" but don't understand Velocity Macro files (I don't!), you can customize part of the email by editing the "template.jira.user.created.intro" property in the following file (and then restarting JIRA):
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
Hello! I'm Rayen, a product manager at Atlassian. My team and I are working hard to improve the trial experience for Jira Software Cloud. We are interested in talking to 20 people planning t...
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