thodg/smallpt

diff --git a/smallpt.cpp b/smallpt.cpp
index fdc9e21..9eb8bee 100644
--- a/smallpt.cpp
+++ b/smallpt.cpp
@@ -2,6 +2,8 @@
  * Make : g++ -O3 -fopenmp smallpt.cpp -o smallpt
  *        Remove "-fopenmp" for g++ version < 4.2
  * Usage: time ./smallpt 5000 && xv image.ppm
+ *
+ * Copyright 2024 Thomas de Grivel <thodg@kmx.io>
  */
 #include <math.h>
 #include <stdlib.h>