old_contents: import { extend } from 'flarum/extend';
  import PermissionGrid from 'flarum/components/PermissionGrid';
  
  export default function() {
    extend(PermissionGrid.prototype, 'moderateItems', items => {
      items.add('tag', {
        label: 'Edit tags',
        permission: 'discussion.tag'
      });
    });
  }
  
new_contents: import { extend } from 'flarum/extend';
  import PermissionGrid from 'flarum/components/PermissionGrid';
  
  export default function() {
    extend(PermissionGrid.prototype, 'moderateItems', items => {
      items.add('tag', {
        label: 'Tag discussions',
        permission: 'discussion.tag'
      });
    });
  }
  
subject: Use more intuitive permission description