diff --git a/appendices/ini.xml b/appendices/ini.xml
index 778713bffd..35e0397ec7 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.28 $ -->
+<!-- $Revision: 1.29 $ -->
 
 <appendix id="ini">
  <title>&php.ini; directives</title>
@@ -3297,6 +3297,12 @@
          <entry>PHP_INI_SYSTEM</entry>
          <entry></entry>
         </row>
+        <row>
+         <entry>extension</entry>
+         <entry>NULL</entry>
+         <entry>&php.ini; only</entry>
+         <entry></entry>
+        </row>
         <row>
          <entry>cgi.fix_pathinfo</entry>
          <entry>"1"</entry>