--- a/doc-src/Main/Docs/document/Main_Doc.tex Mon Feb 08 15:54:01 2010 -0800
+++ b/doc-src/Main/Docs/document/Main_Doc.tex Tue Feb 09 08:28:12 2010 +0100
@@ -308,7 +308,7 @@
\section{Algebra}
-Theories \isa{OrderedGroup}, \isa{Ring{\isacharunderscore}and{\isacharunderscore}Field} and \isa{Divides} define a large collection of classes describing common algebraic
+Theories \isa{Groups}, \isa{Rings}, \isa{Fields} and \isa{Divides} define a large collection of classes describing common algebraic
structures from semigroups up to fields. Everything is done in terms of
overloaded operators: