diff --git a/src/samples/cube/camera.cpp b/src/samples/cube/camera.cpp
index e797c0f..4761802 100644
--- a/src/samples/cube/camera.cpp
+++ b/src/samples/cube/camera.cpp
@@ -5,7 +5,7 @@
 #-----------------------------------------------------------------------
 # Copyright 2020, tyra - https://github.com/h4570/tyra
 # Licenced under Apache License 2.0
-# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellington Carvalho <wellcoj@gmail.com>
 */
 
 #include "camera.hpp"
diff --git a/src/samples/cube/camera.hpp b/src/samples/cube/camera.hpp
index 49735d2..ab5a263 100644
--- a/src/samples/cube/camera.hpp
+++ b/src/samples/cube/camera.hpp
@@ -5,7 +5,7 @@
 #-----------------------------------------------------------------------
 # Copyright 2020, tyra - https://github.com/h4570/tyra
 # Licenced under Apache License 2.0
-# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellington Carvalho <wellcoj@gmail.com>
 */
 
 #ifndef _CAMERA_
diff --git a/src/samples/cube/cubes.cpp b/src/samples/cube/cubes.cpp
index 6032ac2..55608a5 100644
--- a/src/samples/cube/cubes.cpp
+++ b/src/samples/cube/cubes.cpp
@@ -1,3 +1,13 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
 #include "cubes.hpp"
 
 Cubes::Cubes(Engine *t_engine)
diff --git a/src/samples/cube/cubes.hpp b/src/samples/cube/cubes.hpp
index 3188df1..8950d76 100644
--- a/src/samples/cube/cubes.hpp
+++ b/src/samples/cube/cubes.hpp
@@ -1,3 +1,13 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
 #ifndef _CUBES_
 #define _CUBES_
 
diff --git a/src/samples/cube/main.cpp b/src/samples/cube/main.cpp
index dc03ec4..a331814 100644
--- a/src/samples/cube/main.cpp
+++ b/src/samples/cube/main.cpp
@@ -1,3 +1,13 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
 #include "cubes.hpp"
 
 int main()
diff --git a/src/samples/cube/objects/cube.cpp b/src/samples/cube/objects/cube.cpp
index b6b4123..45a8854 100644
--- a/src/samples/cube/objects/cube.cpp
+++ b/src/samples/cube/objects/cube.cpp
@@ -1,3 +1,13 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
 #include "cube.hpp"
 #include <models/mesh.hpp>
 #include <loaders/obj_loader.hpp>
diff --git a/src/samples/cube/objects/cube.hpp b/src/samples/cube/objects/cube.hpp
index e8350bf..77845e9 100644
--- a/src/samples/cube/objects/cube.hpp
+++ b/src/samples/cube/objects/cube.hpp
@@ -1,3 +1,13 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
 #ifndef _CUBE_
 #define _CUBE_