diff --git a/llvm/docs/Lexicon.html b/llvm/docs/Lexicon.html
index e735a9906b8a..7829d4f2c396 100644
--- a/llvm/docs/Lexicon.html
+++ b/llvm/docs/Lexicon.html
@@ -38,6 +38,7 @@
     </tr>
     <tr><td colspan="8"><b>- <a href="#D">D</a> -</b></td></tr>
     <tr>
+      <td><a href="#DSA">DSA</a></td>
       <td><a href="#DSE">DSE</a></td>
       <td></td>
       <td></td>
@@ -88,6 +89,8 @@ href="http://www.program-transformation.org/Transform/BURG">BURG</a> tool.</dd>
 <div class="doc_subsection"><a name="D">- D -</a></div>
 <div class="doc_text">
   <dl>
+    <dt><a name="DSA"><b>DSA</b></a></dt>
+    <dd>DataStructure Analysis</dd>
     <dt><a name="DSE"><b>DSE</b></a></dt>
     <dd>Dead Store Elimination</dd>
   </dl>