update changes section

Author: fantasai

css3-writing-modes/Overview.html

@@ -3407,6 +3407,9 @@ <h3 class=no-num id=recent-changes> Changes from the <a
     href="#isolate-override"><code class=css>isolate-override</code></a>’.
 
    <li>Added data tables for orientation of characters in Unicode.
+
+   <li>Replaced <i>before</i> with <a href="#head"><i>head</i></a> and
+    <i>after</i> with <a href="#foot"><i>foot</i></a>.
   </ul>
 
   <h3 class=no-num id=changes-201109> Changes from the <a

css3-writing-modes/Overview.src.html

@@ -2529,6 +2529,7 @@ <h3 class="no-num" id="recent-changes">
   <ul>
     <li>Replaced 'unicode-bidi' value of ''isolate bidi-override'' with single keyword ''isolate-override''.
     <li>Added data tables for orientation of characters in Unicode.
+    <li>Replaced <i>before</i> with <i>head</i> and <i>after</i> with <i>foot</i>.
   </ul>
 
   <h3 class="no-num" id="changes-201109">