diff --git a/config/initializers/colors.rb b/config/initializers/colors.rb
index 042a749..b435084 100644
--- a/config/initializers/colors.rb
+++ b/config/initializers/colors.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 Chroma.define_palette :decreasing_saturation do
   spin(20).desaturate(40)
   spin(-20).desaturate(40)