diff --git a/Mesh_2/doc_tex/Mesh_2_ref/DelaunayMeshTraits_2.tex b/Mesh_2/doc_tex/Mesh_2_ref/DelaunayMeshTraits_2.tex
index b8a7b98cf54..9d0f753fde1 100644
--- a/Mesh_2/doc_tex/Mesh_2_ref/DelaunayMeshTraits_2.tex
+++ b/Mesh_2/doc_tex/Mesh_2_ref/DelaunayMeshTraits_2.tex
@@ -16,9 +16,16 @@ object \ccc{Construct_circumcenter_2}.
   an operator \ccc{Point_2 operator()(Point_2 p, 
                                       Point_2 q, 
                                       Point_2 r);}
-  that computes the center of the circle passing through the points $p$,
-  $q$ and $r$.
-  \ccPrecond $p$, $q$ and $r$ are not collinear.}
+  that constructs the center of the circle passing through the points $p$,
+  $q$, and~$r$.
+  \ccPrecond $p$, $q$, and~$r$ are not collinear.}
+
+\ccNestedType{Compute_area_2}{Constructor object. Must provide an operator 
+  \ccc{FT operator()(Point_2 p,
+                     Point_2 q,
+                     Point_2 r);}
+                   that computes the signed area of the triangle defined by
+                   the points $p$, $q$, and~$r$. }
 
 \ccCreationVariable{traits}
 
@@ -26,6 +33,7 @@ object \ccc{Construct_circumcenter_2}.
 
 \ccThree{Construct_circumcenter_2xx}{construct_circumcenter_2_object();}{}
 \ccMethod{Construct_circumcenter_2 construct_circumcenter_2_object();}{}
+\ccMethod{Compute_area_2 compute_area_2_object();}{}
 
 \ccHasModels
 Any model of the \ccc{Kernel} concept. In particular, all CGAL kernels.