diff --git a/reference/yaconf/yaconf/get.xml b/reference/yaconf/yaconf/get.xml
index b707f37aa9..107820f4b6 100644
--- a/reference/yaconf/yaconf/get.xml
+++ b/reference/yaconf/yaconf/get.xml
@@ -12,7 +12,7 @@
   <methodsynopsis>
    <modifier>public</modifier> <modifier>static</modifier> <type>mixed</type><methodname>Yaconf::get</methodname>
    <methodparam><type>string</type><parameter>name</parameter></methodparam>
-   <methodparam choice="opt"><type>mixed</type><parameter>default_value</parameter></methodparam>
+   <methodparam choice="opt"><type>mixed</type><parameter>default_value</parameter><initializer>NULL</initializer></methodparam>
   </methodsynopsis>
   <para>