--- a/longdesc1/longdesc.html	Tue Jun 03 10:42:23 2014 -0400
+++ b/longdesc1/longdesc.html	Tue Jun 03 21:20:15 2014 -0400
@@ -638,7 +638,7 @@
           element represents. </p>
         <p>The linked description <em class="rfc2119">should</em> be in a
           broadly accessible format.</p>
-        <div class="note">
+        <div class="note" role="region" aria-label="informative">>
           <p><em>This section is informative</em></p>
           <p>Best practices for checking descriptions of images are beyond the
             scope of this document, but there are many resources available.
@@ -662,14 +662,14 @@
         <p>When a description is only part of the target document, authors
           <em class="rfc2119">should</em> link to a fragment link in the target document
           (e.g. <code>longdesc="example.html#description"</code>).</p>
-        <div class="note">
+        <div class="note" role="region" aria-label="informative">
           <p><em>This section is informative</em></p>
           <p>Best practices for full descriptions of images are beyond the scope
             of this document, but there are many resources available.</p>
         </div>
         <p>Authors <em class="rfc2119">should</em> not rely solely on longdesc where standards
           exist to provide direct, structured access.</p>
-        <div class="note">
+        <div class="note" role="region" aria-label="informative">>
           <p><em>This section is informative</em></p>
           <p>For example a MathML version of mathematical content, or an SVG image that
             uses the accessibility features of SVG, can provide better accessibility to
@@ -685,7 +685,7 @@
           APIs. </p>
         <p>User agents <em class="rfc2119">should</em> enable users to discover
           when images in a page contain a long description.</p>
-        <div class="note">
+        <div class="note" role="region" aria-label="informative">>
           <p><em>This section is informative</em></p>
           <p><code>longdesc</code> can be present on an image within a
             hyperlink. This does not change the requirements on user agents,
@@ -779,7 +779,7 @@
 }</code></pre>
         </section>
       </section>
-      <section class="appendix" id="acknowledgements">
+      <section class="appendix" id="acknowledgements" aria-label="informative">
         <h2><span class="secno">A. </span>Acknowledgements</h2>
         <p><em>This section is informative</em></p>
         <p>Thanks to the HTML Working Group of the late 1990s for the original
@@ -845,7 +845,7 @@
               A draft for a version 2.0 is available at <a href="http://www.w3.org/TR/UAAG20/">http://www.w3.org/TR/UAAG20/</a></dd>
           </dl>
         </section>
-        <section class="appendix" id="changes">
+        <section class="appendix" id="changes" aria-label="informative">
           <h2><span class="secno">C. </span>Change History</h2>
           <p><em>This section is informative</em></p>
           <h3 id="change-second">Between the current draft and the <a href="http://www.w3.org/TR/2013/WD-html-longdesc-20130716/">Last Call Working Draft</a></h3>