diff --git a/doc/intrusive.qbk b/doc/intrusive.qbk
index 83c5721..d35b493 100644
--- a/doc/intrusive.qbk
+++ b/doc/intrusive.qbk
@@ -3040,6 +3040,7 @@ For a complete list of functions see
 /
 /[endsect]
 /]
+
 [endsect]
 
 [section:value_traits Containers with custom ValueTraits]
@@ -4056,4 +4057,4 @@ helpful discussions.
 
 [endsect]
 
-[xinclude autodoc.xml]
\ No newline at end of file
+[xinclude autodoc.xml]