public function getCMSFields()
    {
        $this->beforeUpdateCMSFields(function (FieldList $fields) {
            $fields
                ->fieldByName('Root.Main.HTML')
                ->setTitle(_t(__CLASS__ . '.ContentLabel', 'Content'));
        });
        return parent::getCMSFields();
    }
public function getCMSFields()
    {
        $this->beforeUpdateCMSFields(function (FieldList $fields) {
            $fields
                ->fieldByName('Root.Main.HTML')
                ->setTitle(_t(__CLASS__ . '.ContentLabel', 'Content'));
        });
        return parent::getCMSFields();
    }
public function getCMSFields ( ) { $ this -> beforeUpdateCMSFields ( function ( FieldList $ fields ) { $ fields -> fieldByName ( 'Root.Main.HTML' ) -> setTitle ( _t ( __CLASS__ . '.ContentLabel' , 'Content' ) ) ; } ) ; return parent :: getCMSFields ( ) ; }
Re-title the HTML field to Content

{@inheritDoc}
Re - title the HTML field to Content