diff --git a/rarvm.js b/rarvm.js
index 16fa9ed..0e6870e 100644
--- a/rarvm.js
+++ b/rarvm.js
@@ -1,12 +1,9 @@
 /**
  * rarvm.js
  *
- * Copyright(c) 2011 Google Inc.
- * Copyright(c) 2011 antimatter15
+ * Licensed under the MIT License
  *
- * Reference Documentation:
- *
- * http://kthoom.googlecode.com/hg/docs/unrar.html
+ * Copyright(c) 2017 Google Inc.
  */
 
 /**
diff --git a/unrar.js b/unrar.js
index d8f95cb..adbb9d2 100644
--- a/unrar.js
+++ b/unrar.js
@@ -1,12 +1,10 @@
 /**
  * unrar.js
  *
+ * Licensed under the MIT License
+ *
  * Copyright(c) 2011 Google Inc.
  * Copyright(c) 2011 antimatter15
- *
- * Reference Documentation:
- *
- * http://kthoom.googlecode.com/hg/docs/unrar.html
  */
 
 // This file expects to be invoked as a Worker (see onmessage below).
diff --git a/untar.js b/untar.js
index cafd675..fb0c3b6 100644
--- a/untar.js
+++ b/untar.js
@@ -1,6 +1,8 @@
 /**
  * untar.js
  *
+ * Licensed under the MIT License
+ *
  * Copyright(c) 2011 Google Inc.
  *
  * Reference Documentation:
diff --git a/unzip.js b/unzip.js
index fc0ce3c..8dac28d 100644
--- a/unzip.js
+++ b/unzip.js
@@ -1,6 +1,8 @@
 /**
  * unzip.js
  *
+ * Licensed under the MIT License
+ *
  * Copyright(c) 2011 Google Inc.
  * Copyright(c) 2011 antimatter15
  *