diff --git a/app/types.tsx b/app/types.tsx
index e561471..283e371 100644
--- a/app/types.tsx
+++ b/app/types.tsx
@@ -1,3 +1,5 @@
+/* Copyright (C) 2024 Manuel Bustillo*/
+
 import * as HeroIcon from '@heroicons/react/24/outline'
 import { ComponentProps } from 'react'
 
diff --git a/app/ui/components/dashboard-cards.tsx b/app/ui/components/dashboard-cards.tsx
index de16e00..6c72ac4 100644
--- a/app/ui/components/dashboard-cards.tsx
+++ b/app/ui/components/dashboard-cards.tsx
@@ -1,3 +1,5 @@
+/* Copyright (C) 2024 Manuel Bustillo*/
+
 import clsx from "clsx"
 import { Icon } from "../../types";
 import * as HeroIcon from '@heroicons/react/24/outline'
diff --git a/app/ui/expenses/summary.tsx b/app/ui/expenses/summary.tsx
index 3f3015c..d838c4b 100644
--- a/app/ui/expenses/summary.tsx
+++ b/app/ui/expenses/summary.tsx
@@ -1,3 +1,5 @@
+/* Copyright (C) 2024 Manuel Bustillo*/
+
 import { MainCard, SecondaryCard } from '../components/dashboard-cards';
 
 export default async function ExpenseSummary() {