diff --git a/Straight_skeleton_2/doc_tex/Straight_skeleton_2/PkgDescription.tex b/Straight_skeleton_2/doc_tex/Straight_skeleton_2/PkgDescription.tex
index cc4e22e157c..07d78bbddef 100644
--- a/Straight_skeleton_2/doc_tex/Straight_skeleton_2/PkgDescription.tex
+++ b/Straight_skeleton_2/doc_tex/Straight_skeleton_2/PkgDescription.tex
@@ -10,5 +10,6 @@ polygons at any offset distance given a straight skeleton.}
 \ccPkgIntroducedInCGAL{3.2}
 \ccPkgLicense{\ccLicenseQPL}
 \ccPkgDemo{2D Straight Skeleton}{demo/straight_skeleton_2.zip}
+\ccPkgDemo{See Polygon}{demo/polygon_2.zip}
 \ccPkgIllustration{Straight_skeleton_2/StraightSkeletonTeaser.png}{Straight_skeleton_2/StraightSkeleton.png}
 \end{ccPkgDescription}