diff --git a/appendices/ini.xml b/appendices/ini.xml
index 8a9afcaa45..35edbd5419 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.16 $ -->
+<!-- $Revision: 1.17 $ -->
 
 <appendix id="ini">
  <title>&php.ini; directives</title>
@@ -2713,6 +2713,13 @@
 
         &ini.shorthandbytes;
 
+        <simpara>
+         If the size of post data is greater than post_max_size, $_POST and
+         $_FILES arrays are empty. You can track this condition various ways,
+         e.g. by passing $_GET variable to the script processing the data,
+         i.e. <literal>&lt;form action="edit.php?processed=1"&gt;</literal>
+         and cheching this variable.
+        </simpara>
        </listitem>
       </varlistentry>