diff --git a/docs/Lexicon.html b/docs/Lexicon.html
index 7ee52b4..355306b 100644
--- a/docs/Lexicon.html
+++ b/docs/Lexicon.html
@@ -30,6 +30,12 @@
       <td></td>
       <td></td>
     </tr>
+    <tr><td colspan="8"><b>- <a href="#B">B</a> -</b></td></tr>
+    <tr>
+      <td><a href="#BURS">BURS</a></td>
+      <td></td>
+      <td></td>
+    </tr>
     <tr><td colspan="8"><b>- <a href="#D">D</a> -</b></td></tr>
     <tr>
       <td><a href="#DSE">DSE</a></td>
@@ -69,6 +75,14 @@
   </dl>
 </div>
 <!-- _______________________________________________________________________ -->
+<div class="doc_subsection"><a name="B">- B -</a></div>
+<div class="doc_text">
+  <dl>
+    <dt><a name="BURS"><b>BURS</b></a></dt>
+    <dd>Bottom Up Rewriting System</dd>
+  </dl>
+</div>
+<!-- _______________________________________________________________________ -->
 <div class="doc_subsection"><a name="D">- D -</a></div>
 <div class="doc_text">
   <dl>