diff --git a/Documentation.html b/Documentation.html
index d912e9c15..d3f68cd73 100644
--- a/Documentation.html
+++ b/Documentation.html
@@ -60,7 +60,7 @@ vim: expandtab ts=4 sw=4 sts=4 tw=78
         <ul><li>You need PHP 5.2.0 or newer, with <tt>session</tt> support
                 (<a href="#faq1_31">see
 			<abbr title="Frequently Asked Questions">FAQ</abbr> 1.31</a>)
-		and the Standard PHP Library (SPL) extension.
+		, the Standard PHP Library (SPL) extension and JSON support.
                 </li>
 		<li>To support uploading of ZIP files, you need the PHP <tt>zip</tt> extension.</li>
         <li>For proper support of multibyte strings (eg. UTF-8, which is