llvm/docs/*.html: Fix markups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153508 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ReleaseNotes.html

@@ -403,7 +403,6 @@ Release Notes</a>.</h1>
   <li>On Darwin, the ARM target now has a full-featured integrated assembler.
   </li>
 </ul>
-</div>
 
 <h4>
 <a name="armintegratedassembler">ARM Integrated Assembler</a>
@@ -420,6 +419,8 @@ subtarget and CPU specific extensions for VFP2, VFP3 and NEON.</p>
 <p>The assembler is Unified Syntax only (see ARM Architecural Reference Manual
 for details). While there is some, and growing, support for pre-unfied (divided)
 syntax, there are still significant gaps in that support.</p>
+</div>
+
 </div>
 <!--=========================================================================-->
 <h3>
@@ -521,8 +522,6 @@ syntax, there are still significant gaps in that support.</p>
 
 </div>
 
-</div>
-
 <!--=========================================================================-->
 <h3>
 <a name="tools_changes">Tools Changes</a>