diff --git a/Packages/Tutorial/tutorial/Polyhedron/sgp2004/paper/paper.tex b/Packages/Tutorial/tutorial/Polyhedron/sgp2004/paper/paper.tex
index b5be53787f7..0da2cffe185 100644
--- a/Packages/Tutorial/tutorial/Polyhedron/sgp2004/paper/paper.tex
+++ b/Packages/Tutorial/tutorial/Polyhedron/sgp2004/paper/paper.tex
@@ -142,7 +142,8 @@ illustrations for publications.
 %   are user-programmable based on the user-specialized CGAL polyhedron.
 
   \begin{classification} % according to http://www.acm.org/class/1998/
-    \CCScat{I.3.5}{Computer Graphics}{Computational Geometry and Object Modeling}
+    \CCScat{I.3.5}{Computer Graphics}{Computational Geometry 
+                                      and Object Modeling}
   \end{classification}
 
 \end{abstract}