diff --git a/reference/filesystem/functions/fseek.xml b/reference/filesystem/functions/fseek.xml
index a0230db788..e3e0ec1428 100644
--- a/reference/filesystem/functions/fseek.xml
+++ b/reference/filesystem/functions/fseek.xml
@@ -12,7 +12,7 @@
    <type>int</type><methodname>fseek</methodname>
    <methodparam><type>resource</type><parameter>handle</parameter></methodparam>
    <methodparam><type>int</type><parameter>offset</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>whence</parameter></methodparam>
+   <methodparam choice="opt"><type>int</type><parameter>whence</parameter><initializer>SEEK_SET</initializer></methodparam>
   </methodsynopsis>
   <para>
    Sets the file position indicator for the file referenced by
@@ -58,10 +58,6 @@
         <member><constant>SEEK_END</constant> - Set position to end-of-file plus <parameter>offset</parameter>.</member>
        </simplelist>
       </para>
-      <para>
-       If <parameter>whence</parameter> is not specified, it is assumed to be
-       <constant>SEEK_SET</constant>.
-      </para>
      </listitem>
     </varlistentry>
    </variablelist>