diff --git a/Interpolation/doc_tex/Interpolation_ref/Data_access.tex b/Interpolation/doc_tex/Interpolation_ref/Data_access.tex
index 46cba7841af..7b66477de36 100644
--- a/Interpolation/doc_tex/Interpolation_ref/Data_access.tex
+++ b/Interpolation/doc_tex/Interpolation_ref/Data_access.tex
@@ -31,7 +31,7 @@ interpolation functions.
 \ccTypedef{typedef Map::key_type Key_type;}{}
 \ccCreation
 \ccCreationVariable{data_access}  %% choose variable name
-\ccConstructor{Data_acces(const Map& map);}
+\ccConstructor{Data_access(const Map& map);}
 {Introduces a \ccc{Data_access} to the container \ccc{map}.}
 
 
diff --git a/Interpolation/doc_tex/Interpolation_ref/Voronoi_intersection_2_traits_3.tex b/Interpolation/doc_tex/Interpolation_ref/Voronoi_intersection_2_traits_3.tex
index a44a2709ebd..73b067958c8 100644
--- a/Interpolation/doc_tex/Interpolation_ref/Voronoi_intersection_2_traits_3.tex
+++ b/Interpolation/doc_tex/Interpolation_ref/Voronoi_intersection_2_traits_3.tex
@@ -81,8 +81,11 @@
   \ccGlue
   \ccTypedef{ typedef Compare_second_projection_3<Point_2>             Compare_y_2;}{}
   
-  
-\ccOperations
+\ccCreation
+\ccCreationVariable{traits}  %% choose variable name
+\ccConstructor{Voronoi_intersection_2_traits_3(const K::Point_3& point=K::Point_3(), const K::Vector_3& normal=NULL_VECTOR);}
+{The plane associated to the traits class contains \cc{point} and has as normal vector \cc{normal}.}
+
 \ccAutoIndexingOff
 
 
diff --git a/Interpolation/doc_tex/Interpolation_ref/surface_neighbors_3.tex b/Interpolation/doc_tex/Interpolation_ref/surface_neighbors_3.tex
index 27b998dcdf5..f48894a1c92 100644
--- a/Interpolation/doc_tex/Interpolation_ref/surface_neighbors_3.tex
+++ b/Interpolation/doc_tex/Interpolation_ref/surface_neighbors_3.tex
@@ -129,7 +129,7 @@ necessarily neighbors in the Delaunay triangulation of $\mathcal{P}
 \ccFunction{template < class Dt, class OutputIterator,
   class ITraits> 
   OutputIterator surface_neighbors_3(const Dt& dt,
-  const typename Dt::Geom_traits::Point_2& p, OutputIterator out,
+  const typename ITraits::Point_2& p, OutputIterator out,
   const ITraits& traits, typename Dt::Cell_handle start = typename
   Dt::Cell_handle());}
 %