diff --git a/Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/SurfaceMeshShortestPathTraits.h b/Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/Concepts/SurfaceMeshShortestPathTraits.h similarity index 100% rename from Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/SurfaceMeshShortestPathTraits.h rename to Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/Concepts/SurfaceMeshShortestPathTraits.h diff --git a/Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/SurfaceMeshShortestPathVisitor.h b/Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/Concepts/SurfaceMeshShortestPathVisitor.h similarity index 100% rename from Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/SurfaceMeshShortestPathVisitor.h rename to Surface_mesh_shortest_path/doc/Surface_mesh_shortest_path/Concepts/SurfaceMeshShortestPathVisitor.h