diff --git a/shaders/cube.fs b/shaders/cube.fs
index 2a430a3..bcd6668 100644
--- a/shaders/cube.fs
+++ b/shaders/cube.fs
@@ -1,3 +1,5 @@
+/* TP6 */
+
 #version 330
 
 in  vec4 vsoColor;
diff --git a/shaders/cube.vs b/shaders/cube.vs
index 1dfe486..69cd577 100644
--- a/shaders/cube.vs
+++ b/shaders/cube.vs
@@ -1,3 +1,5 @@
+/* TP6 */
+
 #version 330
 
 layout(location = 0) in vec3 position;