[css3-text] fix appendix lettering

Author: fantasai

css3-text/Overview.html

@@ -346,7 +346,7 @@ <h2 class="no-num no-toc" id=contents> Table of Contents</h2>
     href="#appendix-f-text-processing-order-of-oper">Appendix F: Text
     Processing Order of Operations</a>
 
-   <li class=no-num><a href="#appendix-h-full-property-index">Appendix H:
+   <li class=no-num><a href="#appendix-g-full-property-index">Appendix G:
     Full Property Index</a>
   </ul>
   <!--end-toc-->
@@ -3717,7 +3717,7 @@ <h2 class=no-num id=appendix-f-text-processing-order-of-oper>Appendix F:
    <li><a href="#text-align">text alignment</a>
   </ol>
 
-  <h2 class=no-num id=appendix-h-full-property-index>Appendix H: Full
+  <h2 class=no-num id=appendix-g-full-property-index>Appendix G: Full
    Property Index</h2>
   <!--begin-properties-->
 

css3-text/Overview.src.html

@@ -2716,7 +2716,7 @@ <h2 class="no-num">Appendix F:
     <li><a href="#text-align">text alignment</a>
   </ol>
 
-<h2 class="no-num">Appendix H:
+<h2 class="no-num">Appendix G:
 Full Property Index</h2>
 <!-- properties -->