diff -r 2b9f87bf9113 -r 2995639c6a09 doc-src/TutorialI/Inductive/Mutual.thy
--- a/doc-src/TutorialI/Inductive/Mutual.thy	Fri Jan 12 16:19:44 2001 +0100
+++ b/doc-src/TutorialI/Inductive/Mutual.thy	Fri Jan 12 16:28:14 2001 +0100
@@ -1,6 +1,6 @@
 (*<*)theory Mutual = Main:(*>*)
 
-subsection{*Mutually inductive definitions*}
+subsection{*Mutually Inductive Definitions*}
 
 text{*
 Just as there are datatypes defined by mutual recursion, there are sets defined