Index: lambda.xml
===================================================================
--- lambda.xml	(revision 39768)
+++ lambda.xml	(working copy)
@@ -3191,7 +3191,7 @@
 
 
 
-<appendix>
+<section>
 <title>Rationale for some of the design decisions</title>
 
 <section id="lambda.why_weak_arity">
@@ -3256,7 +3256,7 @@
 
 </section>
 
-</appendix>
+</section>