diff --git a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Barycentric_coordinates_2.txt b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Barycentric_coordinates_2.txt
index 304a2a3dcd1..565ae02a34a 100644
--- a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Barycentric_coordinates_2.txt
+++ b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Barycentric_coordinates_2.txt
@@ -185,7 +185,7 @@ coordinates at all the generated points. The used `Kernel` is inexact.
 Example's point pattern.
 \cgalFigureEnd
 
-\cgalExample{Barycentric_coordinates_2/Wachspress_coordinates.cpp}
+\cgalExample{Barycentric_coordinates_2/wachspress_coordinates.cpp}
 
 
 \subsection dh_example Discrete Harmonic Coordinates
@@ -258,7 +258,7 @@ using the computed coordinates and the global interpolation function from the
 package \ref chapinterpolation "2D and Surface Function Interpolation".
 
 \anchor terrain_example
-\cgalExample{Barycentric_coordinates_2/Terrain_height_modeling.cpp}
+\cgalExample{Barycentric_coordinates_2/terrain_height_modeling.cpp}
 
 As a result, we get a smooth function inside the polygon that approximates the underlying terrain surface.
 
diff --git a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/examples.txt b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/examples.txt
index c9504583b15..e4e0873bcd0 100644
--- a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/examples.txt
+++ b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/examples.txt
@@ -1,11 +1,11 @@
 /*!
 \example Barycentric_coordinates_2/segment_coordinates.cpp
 \example Barycentric_coordinates_2/triangle_coordinates.cpp
-\example Barycentric_coordinates_2/Wachspress_coordinates.cpp
+\example Barycentric_coordinates_2/wachspress_coordinates.cpp
 \example Barycentric_coordinates_2/discrete_harmonic_coordinates.cpp
 \example Barycentric_coordinates_2/mean_value_coordinates.cpp
 \example Barycentric_coordinates_2/harmonic_coordinates.cpp
-\example Barycentric_coordinates_2/Terrain_height_modeling.cpp
+\example Barycentric_coordinates_2/terrain_height_modeling.cpp
 \example Barycentric_coordinates_2/shape_deformation.cpp
 \example Barycentric_coordinates_2/affine_coordinates.cpp
 \example Barycentric_coordinates_2/deprecated_coordinates.cpp
diff --git a/Barycentric_coordinates_2/examples/Barycentric_coordinates_2/CMakeLists.txt b/Barycentric_coordinates_2/examples/Barycentric_coordinates_2/CMakeLists.txt
index e5846f8eaa2..6f8b05dab72 100644
--- a/Barycentric_coordinates_2/examples/Barycentric_coordinates_2/CMakeLists.txt
+++ b/Barycentric_coordinates_2/examples/Barycentric_coordinates_2/CMakeLists.txt
@@ -12,10 +12,10 @@ include(CGAL_CreateSingleSourceCGALProgram)
 
 create_single_source_cgal_program("segment_coordinates.cpp")
 create_single_source_cgal_program("triangle_coordinates.cpp")
-create_single_source_cgal_program("Wachspress_coordinates.cpp")
+create_single_source_cgal_program("wachspress_coordinates.cpp")
 create_single_source_cgal_program("mean_value_coordinates.cpp")
 create_single_source_cgal_program("discrete_harmonic_coordinates.cpp")
-create_single_source_cgal_program("Terrain_height_modeling.cpp")
+create_single_source_cgal_program("terrain_height_modeling.cpp")
 
 # this code is deprecated:
 create_single_source_cgal_program("deprecated_coordinates.cpp")