diff --git a/toolkit/content/license.html b/toolkit/content/license.html
index 3256fb0b999f..a757e27c812f 100644
--- a/toolkit/content/license.html
+++ b/toolkit/content/license.html
@@ -177,6 +177,7 @@
       <li><a href="about:license#growl">Growl License</a></li>
       <li><a href="about:license#halloc">halloc License</a></li>
       <li><a href="about:license#harfbuzz">HarfBuzz License</a></li>
+      <li><a href="about:license#icu">ICU License</a></li>
       <li><a href="about:license#jpnic">Japan Network Information Center License</a></li>
       <li><a href="about:license#jemalloc">jemalloc License</a></li>
       <li><a href="about:license#libevent">libevent License</a></li>
@@ -2615,6 +2616,53 @@ ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
 PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 </pre>
 
+    <hr>
+
+    <h1><a name="icu"></a>ICU License</h1>
+
+    <p class="correctme">This license applies to some code in the
+    <span class="path">gfx/thebes/src/</span> directory.</p>
+
+<pre>
+ICU License - ICU 1.8.1 and later
+
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright (c) 1995-2009 International Business Machines Corporation and
+others
+
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, provided that the above copyright notice(s) and this
+permission notice appear in all copies of the Software and that both the
+above copyright notice(s) and this permission notice appear in supporting
+documentation.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE
+BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES,
+OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization of the
+copyright holder.
+
+All trademarks and registered trademarks mentioned herein are the property
+of their respective owners. 
+</pre>
+
+
     <hr>
 
     <h1><a name="jpnic"></a>Japan Network Information Center License</h1>