add missing tag

llvm-svn: 117846
diff --git a/llvm/docs/CodeGenerator.html b/llvm/docs/CodeGenerator.html
index 0a77617..c574976 100644
--- a/llvm/docs/CodeGenerator.html
+++ b/llvm/docs/CodeGenerator.html
@@ -1904,6 +1904,8 @@
 meets the needs of your instruction, because it will allow a more concise
 description.</p>
 
+</div>
+
 <!-- _______________________________________________________________________ -->
 <div class="doc_subsubsection">Mnemonic Aliases</div>