Under the heading "Lynx Site Scheme & Styles", after the list of simpler styles, insert an additional paragraph:
You can also use an unstyled layout with certain journal styles. To find unstyled layouts, visit the Select Journal Style page and enter "unstyled" in the search box.
Slightly less preliminary wording:
Under the heading "Lynx Site Scheme & Styles", after the list of simpler styles:
You can also use an unstyled layout with certain journal styles.
