diff --git a/app/elements/app-theme.html b/app/elements/app-theme.html
index 63b0d6c..199745c 100644
--- a/app/elements/app-theme.html
+++ b/app/elements/app-theme.html
@@ -1,3 +1,7 @@
+<!--
+2015 - 2016 (c) Marcel Kapfer (mmk2410)
+Licensed under MIT License
+-->
 <style is="custom-style">
 :root  {
     --dark-primary-color: #1976D2;
diff --git a/app/elements/elements.html b/app/elements/elements.html
index 0570dcf..d215652 100644
--- a/app/elements/elements.html
+++ b/app/elements/elements.html
@@ -1,3 +1,7 @@
+<!--
+2015 - 2016 (c) Marcel Kapfer (mmk2410)
+Licensed under MIT License
+-->
 <!-- Font -->
 <link rel="import" href="../bower_components/font-roboto/roboto.html">
 <!-- Icons -->
diff --git a/app/index.html b/app/index.html
index 8d39fc5..5c4aefa 100644
--- a/app/index.html
+++ b/app/index.html
@@ -2,6 +2,10 @@
 <html>
   <head>
     <meta charset="utf-8">
+    <!--
+    2015 - 2016 (c) Marcel Kapfer (mmk2410)
+    Licensed under MIT License
+    -->
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Morse Converter</title>
     <meta name="description" content="A writtenMorse and normal Morse converter for the web.">
diff --git a/app/scripts/app.js b/app/scripts/app.js
index c288aa2..2a9c9c9 100644
--- a/app/scripts/app.js
+++ b/app/scripts/app.js
@@ -1,3 +1,7 @@
+/*
+ * 2015 - 2016 (c) Marcel Kapfer (mmk2410)
+ * Licensed under MIT License
+ */
 (function (document) {
   'use strict';
 
diff --git a/gulpfile.coffee b/gulpfile.coffee
index 0c81dbc..f7d6c74 100644
--- a/gulpfile.coffee
+++ b/gulpfile.coffee
@@ -1,3 +1,5 @@
+# 2015 - 2016 (c) Marcel Kapfer (mmk2410)
+# Licensed under MIT License
 gulp = require 'gulp'
 coffee = require 'gulp-coffee'
 gutil = require 'gulp-util'
