diff --git a/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/Surface_reconstruction_points_3.txt b/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/Surface_reconstruction_points_3.txt
index ee75d5e556b..2477c95ad0c 100644
--- a/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/Surface_reconstruction_points_3.txt
+++ b/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/Surface_reconstruction_points_3.txt
@@ -129,7 +129,7 @@ not matched.
 
 \subsection Surface_reconstruction_points_3IdealConditions Ideal Conditions
 
-The user must keep in mind that the poisson surface reconstruction
+The user must keep in mind that the Poisson surface reconstruction
 algorithm comprises two phases (computing the implicit function from
 the input point set and contouring an iso-surface of this
 function). Both require some care in terms of sampling conditions and
@@ -142,7 +142,7 @@ reconstruction method expects a dense 3D oriented point set (typically
 matching the epsilon-sampling condition \cite cgal:bo-pgsms-05) and
 sampled over a closed, smooth surface. Oriented herein means that all
 3D points must come with consistently oriented normals to the inferred
-surface. Figure \cgalFigureRef{Surface_reconstruction_points_3figbimba} and \cgalFigureRef{Surface_reconstruction_points_3figeros} 
+surface.  \cgalFigureRef{Surface_reconstruction_points_3figbimba} and \cgalFigureRef{Surface_reconstruction_points_3figeros} 
 illustrate cases where these ideal conditions are met.
 
 \cgalFigureBegin{Surface_reconstruction_points_3figbimba,bimba.jpg}
@@ -315,7 +315,7 @@ processor clocked at 2.81 GHz and with 8 GB of RAM. The software is compiled wit
 with the 03 option which maximizes speed.  All measurements were done using the \ref thirdpartyEigen "Eigen" library.
 
 
-\subsection SurfReconstPerfPIF Poisson implicit function
+\subsection SurfReconstPerfPIF Poisson Implicit Function
 
 The point set chosen for benchmarking the Poisson implicit function is the Bimba con Nastrino point set
 (1.6 million points) depicted by \cgalFigureRef{Surface_reconstruction_points_3-fig-contouring_bench}.
@@ -372,7 +372,7 @@ Poisson solve duration (in s)
 \subsection SurfReconstPerfCont Contouring
 
 The point set chosen for benchmarking the contouring stage is the Bimba con Nastrino point
-set simplified to 100k points. We measure the contouring (i.e. the call to `CGAL::make_surface_mesh()`)
+set simplified to 100k points. We measure the contouring (i.e. the call to `make_surface_mesh()`)
 duration and the reconstruction error for a range of approximation distances.
 The reconstruction error is expressed as the average distance from input points to the reconstructed surface
 in mm (the Bimba con Nastrino statue is 324 mm tall).
diff --git a/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/fig/two-passes.png b/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/fig/two-passes.png
old mode 100644
new mode 100755
index 0ad7daae430..7b236145e05
Binary files a/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/fig/two-passes.png and b/Surface_reconstruction_points_3/doc/Surface_reconstruction_points_3/fig/two-passes.png differ
diff --git a/Surface_reconstruction_points_3/include/CGAL/Poisson_reconstruction_function.h b/Surface_reconstruction_points_3/include/CGAL/Poisson_reconstruction_function.h
index 9bc8c72923f..8740b4b0cdc 100644
--- a/Surface_reconstruction_points_3/include/CGAL/Poisson_reconstruction_function.h
+++ b/Surface_reconstruction_points_3/include/CGAL/Poisson_reconstruction_function.h
@@ -180,10 +180,10 @@ public:
   typedef typename Triangulation::Cell_handle   Cell_handle;
 
   // Geometric types
-  typedef typename Geom_traits::FT FT; ///< typedef to Geom_traits::FT
-  typedef typename Geom_traits::Point_3 Point; ///< typedef to Geom_traits::Point_3
-  typedef typename Geom_traits::Vector_3 Vector; ///< typedef to Geom_traits::Vector_3
-  typedef typename Geom_traits::Sphere_3 Sphere; ///< typedef to Geom_traits::Sphere_3
+  typedef typename Geom_traits::FT FT; ///< number type.
+  typedef typename Geom_traits::Point_3 Point; ///< point type.
+  typedef typename Geom_traits::Vector_3 Vector; ///< vector type.
+  typedef typename Geom_traits::Sphere_3 Sphere; 
 
   /// @}
 
@@ -277,7 +277,7 @@ public:
 
 
   /*! 
-    Creates a Poisson implicit function from the [first, beyond) range of points. 
+    Creates a Poisson implicit function from the  range of points `[first, beyond)`. 
 
     \tparam InputIterator iterator over input points.