diff -r 92cd56dfc17e -r 8e4307d1207a doc-src/TutorialI/Types/types.tex
--- a/doc-src/TutorialI/Types/types.tex	Wed Nov 29 18:42:40 2000 +0100
+++ b/doc-src/TutorialI/Types/types.tex	Thu Nov 30 13:56:46 2000 +0100
@@ -19,11 +19,9 @@
 \section{Numbers}
 \label{sec:numbers}
 
-\index{product type|(}
+\index{pair|(}
 \input{Types/document/Pairs}
-\index{product type|)}
-% Check refs to this section to see what is expected of it.
-% Mention type unit
+\index{pair|)}
 
 \section{Records}
 \label{sec:records}