-#Adds environments to define header and footer lines
-#NOTE: To use this module you must set the "Headings style" in
-# the menu Document Settings -> Page Layout to "fancy"!
+#Adds environments to define header and footer lines.
+#See the Additional manual, section Modules > Page Layout >
+#Custom Header/Footer Text, for a detailed description.
+#NOTE: To use this module you must set the 'Page style' in
+# the menu Document Settings -> Page Layout to 'fancy'!