If you have a custom field that includes a description that is more than 155 characters, the description text will automatically be shortened and a read more button will appear in lieu of the complete text. If you click on read more, the full description of the custom field will appear in a fly out.
This helps control clutter on the custom fields page while still enabling your members to see a preview of the question.
- The custom field you created in Create Program:
If you do not want the read more fly out to appear, try to condense your custom field description to less than 155 characters.