There is the Better Field Descriptions module for Drupal 7, which allows a separate permission to let editors override field help text and labels, but its user interface wasn't simple and intuitive enough to really meet the need. Looking ahead to our new Drupal 8 projects, I thought it would be great to solve this problem in a simpler way as a Drupal 8 module.

Module development hero Jonathan DeLaigle hooked us up and created the Field Help Helper module (with front-end help from Alban Bailly). Simply assign the permission to a user role and your editors will see an edit icon for each field description, letting them change the field label and help text right in the form itself.