diff --git a/Partition_2/doc_tex/Partition_2_ref/intro.tex b/Partition_2/doc_tex/Partition_2_ref/intro.tex
index 6dfdca7520f..9903c7c3037 100644
--- a/Partition_2/doc_tex/Partition_2_ref/intro.tex
+++ b/Partition_2/doc_tex/Partition_2_ref/intro.tex
@@ -48,7 +48,7 @@ primitive types and predicates used by the algorithms.
 \fi
 \end{ccTexOnly}
 
-\section{Reference Pages}
+
 
 \ccHeading{Assertions}
 
@@ -71,6 +71,8 @@ original polygon)
 \ccIndexSubitemDef{partition}{valid}.
 \end{ccPackage}
 
+\section{Classified Reference Pages}
+
 \subsection*{Concepts}
 
 \lcTex{