diff --git a/Generator/examples/Generator/random_degenerate_point_set.cpp b/Generator/examples/Generator/random_degenerate_point_set.cpp
index 451a54ea6ab..496d6858cc6 100644
--- a/Generator/examples/Generator/random_degenerate_point_set.cpp
+++ b/Generator/examples/Generator/random_degenerate_point_set.cpp
@@ -1,4 +1,4 @@
-// file: examples/Generator/generators_example1.C          
+// file: examples/Generator/random_degenerate_point_set.cpp
 
 #include <CGAL/Simple_cartesian.h>
 #include <cassert>
diff --git a/HalfedgeDS/examples/HalfedgeDS/hds_prog_vector.cpp b/HalfedgeDS/examples/HalfedgeDS/hds_prog_vector.cpp
index aecf392fd01..3e4c365afe3 100644
--- a/HalfedgeDS/examples/HalfedgeDS/hds_prog_vector.cpp
+++ b/HalfedgeDS/examples/HalfedgeDS/hds_prog_vector.cpp
@@ -1,4 +1,4 @@
-// file: examples/HalfedgeDS/hds_prog_vector.C              
+// file: examples/HalfedgeDS/hds_prog_vector.cpp
 
 #include <CGAL/HalfedgeDS_items_2.h>
 #include <CGAL/HalfedgeDS_vector.h>
diff --git a/Interpolation/examples/Interpolation/linear_interpolation_2.cpp b/Interpolation/examples/Interpolation/linear_interpolation_2.cpp
index 75bc1e7aae7..f88ba6de574 100644
--- a/Interpolation/examples/Interpolation/linear_interpolation_2.cpp
+++ b/Interpolation/examples/Interpolation/linear_interpolation_2.cpp
@@ -1,4 +1,4 @@
-//file: examples/Interpolation/linear_interpolation_2.C 
+//file: examples/Interpolation/linear_interpolation_2.cpp
 //
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Delaunay_triangulation_2.h>
diff --git a/Interpolation/examples/Interpolation/nn_coordinates_2.cpp b/Interpolation/examples/Interpolation/nn_coordinates_2.cpp
index 28d9ebe07cc..1240234c4e5 100644
--- a/Interpolation/examples/Interpolation/nn_coordinates_2.cpp
+++ b/Interpolation/examples/Interpolation/nn_coordinates_2.cpp
@@ -1,4 +1,4 @@
-//file: examples/Interpolation/nn_coordinates_2.C 
+//file: examples/Interpolation/nn_coordinates_2.cpp
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Delaunay_triangulation_2.h>
diff --git a/Interpolation/examples/Interpolation/nn_coordinates_3.cpp b/Interpolation/examples/Interpolation/nn_coordinates_3.cpp
index a7870732201..3ad4edf72a1 100644
--- a/Interpolation/examples/Interpolation/nn_coordinates_3.cpp
+++ b/Interpolation/examples/Interpolation/nn_coordinates_3.cpp
@@ -1,4 +1,4 @@
-//file: examples/Interpolation/nn_coordinates_3.C 
+//file: examples/Interpolation/nn_coordinates_3.cpp
 // author(s)     : Raphaelle Chaine <Raphaelle.Chaine@sophia.inria.fr, raphaelle.chaine@liris.cnrs.fr>
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
diff --git a/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp b/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
index 2e5842205f0..7c4724540f1 100644
--- a/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
+++ b/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
@@ -1,4 +1,4 @@
-//file:  examples/Interpolation/sibson_interpolation_2.C 
+//file:  examples/Interpolation/sibson_interpolation_2.cpp
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Delaunay_triangulation_2.h>
diff --git a/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp b/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
index 4350f692169..5227e476a69 100644
--- a/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
+++ b/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
@@ -1,4 +1,4 @@
-//file: examples/Interpolation/surface_neighbor_coordinates_3.C 
+//file: examples/Interpolation/surface_neighbor_coordinates_3.cpp
 // example with random points on a sphere
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
diff --git a/STL_Extension/examples/STL_Extension/in_place_list_prog.cpp b/STL_Extension/examples/STL_Extension/in_place_list_prog.cpp
index 866a3bf2947..f1426eb930c 100644
--- a/STL_Extension/examples/STL_Extension/in_place_list_prog.cpp
+++ b/STL_Extension/examples/STL_Extension/in_place_list_prog.cpp
@@ -1,4 +1,4 @@
-// file: examples/STL_Extension/in_place_list_prog.C                 
+// file: examples/STL_Extension/in_place_list_prog.cpp
 
 #include <CGAL/basic.h>
 #include <cassert>