diff --git a/Min_quadrilateral_2/doc_tex/Optimisation_ref/spec_oops.tex b/Min_quadrilateral_2/doc_tex/Optimisation_ref/spec_oops.tex
index 2692eca7ee5..ca7c5ab07e6 100644
--- a/Min_quadrilateral_2/doc_tex/Optimisation_ref/spec_oops.tex
+++ b/Min_quadrilateral_2/doc_tex/Optimisation_ref/spec_oops.tex
@@ -145,7 +145,7 @@
   \ccc{P} with 20 vertices and computes the minimum enclosing
   parallelogram of \ccc{P}.
 
-  \ccIncludeExampleCode{Min_quadrilateral/minimum_enclosing_parallelogram_2.cpp}
+  \ccIncludeExampleCode{Min_quadrilateral_2/minimum_enclosing_parallelogram_2.cpp}
 
 \end{ccRefFunction}
 
@@ -214,7 +214,7 @@
   \ccc{P} with 20 vertices and computes the minimum enclosing
   strip of \ccc{P}.
 
-  \ccIncludeExampleCode{Min_quadrilateral/minimum_enclosing_strip_2.cpp}
+  \ccIncludeExampleCode{Min_quadrilateral_2/minimum_enclosing_strip_2.cpp}
 
 \end{ccRefFunction}
     
diff --git a/Min_sphere_of_spheres_d/doc_tex/Optimisation_ref/Min_sphere_of_spheres_d.tex b/Min_sphere_of_spheres_d/doc_tex/Optimisation_ref/Min_sphere_of_spheres_d.tex
index 220b4b3d44b..ea9b97affa5 100644
--- a/Min_sphere_of_spheres_d/doc_tex/Optimisation_ref/Min_sphere_of_spheres_d.tex
+++ b/Min_sphere_of_spheres_d/doc_tex/Optimisation_ref/Min_sphere_of_spheres_d.tex
@@ -314,7 +314,7 @@ handles spheres with Cartesian coordinates; homogenous representation
 is not supported yet.
 
 \ccExample
-\ccIncludeExampleCode{Min_sphere_of_spheres_d/min_sphere_of_spheres_d_example_d.cpp}
+\ccIncludeExampleCode{Min_sphere_of_spheres_d/min_sphere_of_spheres_d_d.cpp}
 
 \end{ccRefClass}
 
diff --git a/Width_3/doc_tex/Optimisation_ref/test_width_simplex.cpp b/Width_3/examples/test_width_simplex.cpp
similarity index 100%
rename from Width_3/doc_tex/Optimisation_ref/test_width_simplex.cpp
rename to Width_3/examples/test_width_simplex.cpp