diff --git a/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/intro.tex b/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/intro.tex
index c1c3aa48aee..fc62d8a3ab0 100755
--- a/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/intro.tex
+++ b/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/intro.tex
@@ -20,6 +20,9 @@
 This chapter introduces the concepts and classes that correspond to the \cgal\ \ccc{2D Straight Skeleton} package. \\
 Such a packages provides an algorithm for the construction of the straight skeleton in the interior of a simple polygon with holes and an algorithm for the construction of inward offset contours based on the straight skeleton.
 
+
+\section{Reference Pages}
+
 \ccHeading{Concepts}
 \ccRefConceptPage{StraightSkeletonVertex_2} \\
 \ccRefConceptPage{StraightSkeletonHalfedge_2} \\
@@ -37,7 +40,7 @@ Such a packages provides an algorithm for the construction of the straight skele
 \ccRefIdfierPage{CGAL::Polygon_offset_builder_traits_2<Kernel>}\\
 \ccRefIdfierPage{CGAL::Polygon_offset_builder_2<Ssds,Gt,Container>}\\
 
-%\lcHtml{\ccHeading{Links to the Reference Sections}}
+
 
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