--- a/toolkit/content/license.html
+++ b/toolkit/content/license.html
@@ -149,16 +149,17 @@
       <li><a href="about:license#praton">praton License</a></li>
       <li><a href="about:license#praton1">praton and inet_ntop License</a></li>
       <li><a href="about:license#precomputed-hash">precomputed-hash License</a></li>
       <li><a href="about:license#prop-types">prop-types License</a></li>
       <li><a href="about:license#qcms">qcms License</a></li>
       <li><a href="about:license#qrcode-generator">QR Code Generator License</a></li>
       <li><a href="about:license#raven-js">Raven.js License</a></li>
       <li><a href="about:license#react">React License</a></li>
+      <li><a href="about:license#react-mit">React MIT License</a></li>
       <li><a href="about:license#react-intl">React Intl License</a></li>
       <li><a href="about:license#react-redux">React-Redux License</a></li>
       <li><a href="about:license#xdg">Red Hat xdg_user_dir_lookup License</a></li>
       <li><a href="about:license#redox_syscall">redox_syscall License</a></li>
       <li><a href="about:license#redux">Redux License</a></li>
       <li><a href="about:license#reselect">Reselect License</a></li>
       <li><a href="about:license#hunspell-ru">Russian Spellchecking Dictionary License</a></li>
       <li><a href="about:license#sctp">SCTP Licenses</a></li>
@@ -5528,16 +5529,47 @@ ANY DIRECT, INDIRECT, INCIDENTAL, SPECIA
 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 </pre>
 
     <hr>
 
+  <h1>
+    <a id="react-mit"></a>React MIT License</h1>
+
+  <p>This license applies to various files in the Mozilla codebase.</p>
+
+  <pre>
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+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, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+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. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+  </pre>
+
+  <hr>
+
     <h1><a id="react-intl"></a>React Intl License</h1>
 
     <p>This license applies to the files
     <code>browser/extensions/activity-stream/vendor/react-intl.js</code>.</p>
 <pre>
 Copyright 2014 Yahoo Inc.
 All rights reserved.