diff --git a/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex b/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
index 4de559aff59..8e5f7e3f4f3 100644
--- a/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
+++ b/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
@@ -30,7 +30,7 @@ convex or not.  There are also a number of functions available for computing
 particular extreme points in 2D and subsequences of the hull points, such as 
 the lower hull or upper hull of a set of points.
 
-\section{Reference Pages}  
+\section{Classified Reference Pages}  
 
 \ccHeading{Assertions}
 \ccIndexSubitem{convex hull, 2D}{assertion flags}