diff --git a/doc/scripts/unittype.html b/doc/scripts/unittype.html
index 320bb735f..b75a858eb 100644
--- a/doc/scripts/unittype.html
+++ b/doc/scripts/unittype.html
@@ -26,6 +26,10 @@
 <A HREF="../readme.html">Readme</A> 
 <A HREF="../faq.html">FAQ</A> 
 <HR>
+<H2>Intro - Introduction to unit-type functions and variables</H2>
+
+Everything around the C UnitType structure.
+
 <H2>Functions</H2>
 <A NAME="define-unit-type"></A>
 <H3>define-unit-type</H3>