diff --git a/dist/ngecharts.js b/dist/ngecharts.js
index 901cf2a..1bbfd26 100644
--- a/dist/ngecharts.js
+++ b/dist/ngecharts.js
@@ -1,3 +1,8 @@
+/**
+ * https://github.com/gudh/ngecharts
+ * License: MIT
+ */
+
 (function () {
     'use strict';
 
diff --git a/ngecharts.js b/ngecharts.js
index 901cf2a..1bbfd26 100644
--- a/ngecharts.js
+++ b/ngecharts.js
@@ -1,3 +1,8 @@
+/**
+ * https://github.com/gudh/ngecharts
+ * License: MIT
+ */
+
 (function () {
     'use strict';