diff --git a/build/DAT.GUI.js b/build/DAT.GUI.js
index 75ee07f..d1578b6 100644
--- a/build/DAT.GUI.js
+++ b/build/DAT.GUI.js
@@ -1,3 +1,15 @@
+/**
+ * dat.gui Javascript Controller Library
+ * http://dataarts.github.com/dat.gui
+ *
+ * Copyright 2011 Data Arts Team, Google Creative Lab
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
 var DAT = DAT || {};
 
 DAT.GUI = function(parameters) {
diff --git a/build/DAT.GUI.min.js b/build/DAT.GUI.min.js
index 09b95bc..91630c7 100644
--- a/build/DAT.GUI.min.js
+++ b/build/DAT.GUI.min.js
@@ -1,3 +1,15 @@
+/**
+ * dat.gui Javascript Controller Library
+ * http://dataarts.github.com/dat.gui
+ *
+ * Copyright 2011 Data Arts Team, Google Creative Lab
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
 var DAT=DAT||{};
 DAT.GUI=function(a){a==void 0&&(a={});var b=!1;a.height==void 0?a.height=300:b=!0;var d=[],c=[],i=!0,f,h,j=this,g=!0,e=280,q=!1,k,p,n=0,r;this.domElement=document.createElement("div");this.domElement.setAttribute("class","guidat");this.domElement.style.width=e+"px";var l=a.height,m=document.createElement("div");m.setAttribute("class","guidat-controllers");m.style.height=l+"px";m.addEventListener("DOMMouseScroll",function(a){var b=this.scrollTop;a.wheelDelta?b+=a.wheelDelta:a.detail&&(b+=a.detail);
 a.preventDefault&&a.preventDefault();a.returnValue=!1;m.scrollTop=b},!1);var o=document.createElement("a");o.setAttribute("class","guidat-toggle");o.setAttribute("href","#");o.innerHTML=g?"Close Controls":"Open Controls";var t=!1,C=0,x=0,u=!1,v,y,w,z,D=function(a){y=v;z=w;v=a.pageY;w=a.pageX;a=v-y;if(!g)if(a>0)g=!0,l=k=1,o.innerHTML=p||"Close Controls";else return;var b=z-w;if(a>0&&l>h){var d=DAT.GUI.map(l,h,h+100,1,0);a*=d}t=!0;C+=a;k+=a;l+=a;m.style.height=k+"px";x+=b;e+=b;e=DAT.GUI.constrain(e,
diff --git a/index.html b/index.html
index d2ed963..bb10dc2 100644
--- a/index.html
+++ b/index.html
@@ -135,12 +135,12 @@
 <ul>
   <li>
   	<a href='https://github.com/dataarts/dat.gui/raw/master/build/DAT.GUI.min.js'><strong>Download the minified source</strong></a>
-    <small id='buildsizemin'>[19.0kb]
+    <small id='buildsizemin'>[19.3kb]
     </small>
   </li>
   <li>
   	<a href='https://github.com/dataarts/dat.gui/raw/master/build/DAT.GUI.js'><strong>Download the uncompressed source</strong></a>
-    <small id='buildsize'>[33.0kb]
+    <small id='buildsize'>[33.3kb]
     </small>
   </li>
 
diff --git a/utils/build.py b/utils/build.py
index 2772850..47aa524 100644
--- a/utils/build.py
+++ b/utils/build.py
@@ -24,6 +24,20 @@ INDEX = os.path.join(PREFIX,'index.html')
 BUILD_NAME = 'DAT.GUI'
 ALL_JS = ['DAT.GUI.js','DAT.GUI']
 
+LICENSE = """/**
+ * dat.gui Javascript Controller Library
+ * http://dataarts.github.com/dat.gui
+ *
+ * Copyright 2011 Data Arts Team, Google Creative Lab
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
+"""
+
 def flatten(l, ltypes=(list, tuple)):
     ltype = type(l)
     l = list(l)
@@ -107,22 +121,25 @@ def build(jssrc, csssrc=list([''])):
 
   if csssrc:
     cssfiles = source_list(csssrc, '*.css')
+    print('CSS files being compiled: ', cssfiles)
     css = '\n'.join([open(f).read() for f in cssfiles])
     css = re.sub(r'[ \t\n\r]+',' ',css)
 
   jsfiles = source_list(jssrc, '*.js')
-  print(jsfiles)
+  print('JS files being compiled: ', jsfiles)
   code = '\n'.join([open(f).read() for f in jsfiles])
   if csssrc:
     code += """DAT.GUI.inlineCSS = '%s';\n"""%(css,)
 
   outpath = os.path.join(BUILD_ROOT, BUILD_NAME+'.js')
   with open(outpath,'w') as f:
+    f.write(LICENSE)
     f.write(code)
 
   compiled = compile(code)
   outpathmin = os.path.join(BUILD_ROOT, BUILD_NAME+'.min.js')
   with open(outpathmin,'w') as f:
+    f.write(LICENSE)
     f.write(compiled)
 
   size = bytes_to_kb(os.path.getsize(outpath))