diff --git a/reference/pgsql/functions/pg-fetch-array.xml b/reference/pgsql/functions/pg-fetch-array.xml
index c08299b62c..c3594ae91a 100644
--- a/reference/pgsql/functions/pg-fetch-array.xml
+++ b/reference/pgsql/functions/pg-fetch-array.xml
@@ -13,7 +13,7 @@
    <type>array</type><methodname>pg_fetch_array</methodname>
    <methodparam><type>resource</type><parameter>result</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>row</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>result_type</parameter></methodparam>
+   <methodparam choice="opt"><type>int</type><parameter>result_type</parameter><initializer>PGSQL_BOTH</initializer></methodparam>
   </methodsynopsis>
   <para>
    <function>pg_fetch_array</function> returns an array that