diff -r f3ff2549cdc8 -r 23a118849801 doc-src/TutorialI/Misc/document/simp.tex
--- a/doc-src/TutorialI/Misc/document/simp.tex	Thu Aug 09 10:17:45 2001 +0200
+++ b/doc-src/TutorialI/Misc/document/simp.tex	Thu Aug 09 18:12:15 2001 +0200
@@ -287,7 +287,7 @@
 \isa{case}-expressions, as it does \isa{if}-expressions, 
 because with recursive datatypes it could lead to nontermination.
 Instead, the simplifier has a modifier
-\isa{split}\index{*split (modified)} 
+\isa{split}\index{*split (modifier)} 
 for adding splitting rules explicitly.  The
 lemma above can be proved in one step by%
 \end{isamarkuptxt}%